Frankfurt am Main, usually called Frankfurt, is a city in the German state of Germany's Hesse region, lying on the Main River shortly before it meets the Rhine. It is the largest city in Hesse and one of the largest cities in Germany, and it is the core of the Rhine-Main metropolitan region, which together with its neighbouring cities forms one of the country's major urban areas. Frankfurt is best known today as a financial and commercial centre: it hosts the central bank of the European Union's currency area, the German central bank, and a major stock exchange. Its skyline, dominated by high-rise towers, gives it the nickname "Mainhattan" and sets it apart from most other German cities.
The city's importance rests on a long history of urban development. Its position on the navigable Main, at the crossing of several European land routes, made it a trading place from the early medieval period. Frankfurt later became a site where German kings were elected and crowned, a free imperial city, a centre of trade fairs and banking, and for a time a seat of national politics in the nineteenth century. The twentieth century brought persecution of the city's Jewish community, severe damage in the Second World War, and a postwar reconstruction that combined historic rebuilding with new commercial development. The entry follows these phases in chronological order, then turns to the city's present structure, economy, infrastructure, culture and open questions, so that the historical roots of its modern role can be traced throughout.
Location and physical setting
Frankfurt am Main occupies both banks of the lower Main in western Germany, within the state of Hesse. It is a city in the state of Hesse in the Federal Republic of Germany, part of the Darmstadt Government Region, located on both banks of the lower Main River in western Germany. The Main reaches the Rhine at Mainz roughly 30 km downstream of the city centre, so the urban core sits at a short distance from the river's mouth. The Main itself is a long tributary: this 524 km long river is the longest of the right bank Rhine tributaries. Its east-to-west course is unusual for rivers in Central Europe, which tend to run across several low mountain ranges. Because the city lies near the northern margin of the Upper Rhine Plain, it shares in the wider Upper Rhine region's relatively mild climate; the regional location, in other words, is more significant for the city's weather than its own latitude alone would suggest.
The urban area sits on a lowland surface. Frankfurt lies on the plain of the lower Main River. The ground is low and level, with the city's elevation given as 112 m (367 ft) above sea level. Relative to the surrounding hills, Frankfurt is located on both sides of the Main river south-east of the Taunus mountain range. The Main's floodplain provided the flat, low-lying ground along which early settlement and later expansion spread outward from the river. The broad valley also made the Main a natural axis for roads, rail and, later, river traffic.
The municipal area covers 248.31 km², and its extent is about 23.4 km from east to west and 23.3 km from north to south. The municipal area contains the Frankfurt City Forest, parks, and a green belt around the city. The belt is a ring-shaped public green space. Reported shares of green land vary between sources: one tourism account says over half of its area is protected green space, while another puts more than 40 percent of the city's territory under parks and landscape protection. The belt itself covers 8,000 ha, which is a third of the administrative area of Frankfurt. Building homes inside it is restricted because it is a protected area, and its formal legal basis dates from 1991.
The largest component of this green space is the Frankfurt City Forest, which lies in the south of the municipality. It covers the southern areas of Schwanheim, Niederrad, Sachsenhausen and Oberrad, as well the northern parts of the Flughafen district. Figures for its size differ: one account gives about 58 square kilometres (39 of which are actually within Frankfurt), which reflects the forest's extension beyond the municipal boundary. The forest is commonly described as Germany's largest forest within a city.
The name "Frankfurt" is shared with a much smaller city in eastern Germany, and the "am Main" suffix exists to tell them apart. Germans occasionally call it by its full name when it is necessary to distinguish it from the other (significantly smaller) German city called Frankfurt in the federated state of Brandenburg, Frankfurt (Oder), on the Polish border. The eastern city is on the western bank of the Oder, opposite the Polish town of Słubice, and its territory measures 147.61 km², with around 58,000 inhabitants. The suffix itself reflects the river on which each city lies: "am Main" means "on the Main," and the parallel form "an der Oder" marks the eastern city. The form with "am Main" has been in regular use since the 14th century.
Name, early settlement and the Roman period
The name and its meaning
The name is generally read as "ford of the Franks." The earliest recorded forms, Franconofurd in Old High German and Vadum Francorum in Latin, appear in documents from the late eighth century. The second element, Furt, denotes a place in a river shallow enough to wade, and the lower Main offered such a crossing where the city later grew. The Franks were a Germanic people, and Britannica suggests the name probably arose around 500 CE, when Franks pushed the Alemanni southward. Because the sources for that period are thin, that date remains an estimate. The suffix "am Main," which distinguishes the city from Frankfurt (Oder), became regular only from the fourteenth century. The chronicler Thietmar of Merseburg, writing in the eleventh century, recorded a legend in which a doe showed Charlemagne's army the crossing. Historians treat this as a later story rather than evidence. Folk etymologies that link "Frank" to the word for "free" are popular interpretations, not established philology.
Prehistoric traces and the Roman presence
The oldest core of the city lies on the Cathedral Hill (Domhügel), a higher, flood-safe rise on an island formed by channels of the Main. It could be reached on foot without wading only from the west, which, together with the ford, gave it military and economic value. Stray finds reach back to the Paleolithic, and the city's own historical materials trace human use of the ford to the Mesolithic and a Celtic farming settlement later on. The city administration states that the hill has been continuously settled since about 3000 BC, whereas other accounts describe the first firmly proven settlement as Roman. The evidence for the earliest periods is therefore uneven, and the 3000 BC date should be read as the city's own claim.
The Roman presence is better documented. Military camps were set up in the area under Emperor Vespasian (69–79 CE). The city's own history gives a Roman military camp on the Cathedral Hill around 83 CE, and a civilian settlement with a bathhouse replaced the military base in the early second century. Nearby, the town of Nida developed in what is now Heddernheim, a northwestern district of Frankfurt. In the second century Nida became the administrative capital of the civitas of the Taunenses, and it was later fortified with walls. Its name is probably derived from the nearby Nidda river. Little of Nida survives above ground, but excavations in Heddernheim have uncovered temples and cemeteries.
Withdrawal, migrations and the Merovingian court
Pressure from the Alemanni on the Roman frontier increased from about 200 CE and resumed after a campaign in 213. With the retreat of the Roman border to the west bank of the Rhine in 259/260, Roman control of the region ended. The Alemanni and then the Franks moved into the territory in succession. Under the Merovingian dynasty, which ruled the Franks from the mid-fifth century until 751, the Franks extended their authority over neighbouring Germanic groups, including the Alemanni. In this period a royal court was established on the Cathedral Hill. A rich grave of a young girl found during excavations at the cathedral in 1992 has been dated to the late Merovingian period of the seventh century, which indicates that the hill was permanently settled by then. Whether the settlement continued without interruption from Roman times is less certain, and the precise chronology of these centuries remains debated among historians.
First written record and the Carolingian period
The earliest written attestation of Frankfurt dates to the late eighth century, and the year usually given is 794. The royal court at Franconofurd, meaning city of the Franconians, is documented for the first time as the place of an important synod of the Franconian nobility under Emperor Charlemagne. Contemporary sources describe the gathering more broadly. Bishops and priests from Francia, Aquitaine, Italy, and Provence assembled in Franconofurd, and the meeting itself is dated to June 794. Its agenda covered doctrinal and political questions, including the Adoptionist controversy that had arisen in Spain. The name also appears in an imperial letter of the same year, which addressed a bishop of Toledo as "that famous place, which is called Frankfurt." The synod has a personal footnote in the sources: the queen Fastrada died on 10 August 794 during the Synod of Frankfurt, and Charlemagne is said to have never returned to the town afterwards.
The synod's setting points to a royal presence that predated the council. Excavations on the Cathedral Hill suggest that the site was used early. The first church on the site was a small chapel built around 680 for a Merovingian royal court. In 1992, excavators found the rich grave of a girl, that has been dated to the late Merovingian period of the 7th century. The hill itself had strategic value. It lay on an island formed by arms of the Main, and only from the West could it be reached by foot without getting wet; this, together with its location at a ford, gave it significant military and economic advantages.
From the mid-ninth century, Frankfurt became a royal seat of East Francia. After the Treaty of Verdun in 843, the city's historical affiliation shifted to East Francia, and the eastern Frankish kings used it as a base. The royal palace (Königspfalz) was originally founded on 1 September 852 by the East Franconian King Louis the German and consecrated by the Archbishop of Mainz Rabanus Maurus. Louis was a significant patron of the town. It was one of the two capitals of Charlemagne's grandson Louis the German, together with Regensburg. Louis founded the collegiate church, rededicated in 1239 to Bartholomew the Apostle and now Frankfurt Cathedral. The palace complex replaced the older Merovingian court. The palace itself was created at the beginning of the 9th century under Louis the Pious, the son of Charlemagne, and replaced a royal court of the Merovingians of the 7th century. This sequence is still debated, since the palace site was not fixed with certainty for a long time.
The Cathedral Hill thus became the political core of the settlement. Its fortifications were built to protect the palace, and the palace itself was the centre of royal assemblies. Frankfurt's oldest fortifications were created to protect the Carolingian palace which was first recorded in 822. Later excavations, however, changed the picture. Carolingian Frankfurt was thus much smaller than historically expected, and its fortification, according to present knowledge, has been built by the subsequent Ottonian dynasty around 1000. Archaeologists also placed the palace somewhat differently than earlier scholars had assumed. In 1936, Heinrich Bingemer proved by excavations that this originated in the Hohenstaufen era, and concluded that the site of the Carolingian palace may have been located further to the east.
Historians therefore handle the early chronology with caution. The 794 date rests on the synod documentation, while the name appears in some accounts a year earlier: one history notes that the name Frankfurt first appears in writing in the year 793, but it seems to have already been a considerable city. Dates for the chapel, the palace and the fortifications differ across sources. Some give 680 for the first church, others 852 for the palace foundation, and 822 for the first recorded palace. Scholars generally reconcile these by separating the date of first written mention from the dates of settlement, royal building activity and the construction of walls. On this view, the town was already significant before it entered the written record, and the Carolingian kings' investment in the Cathedral Hill made it a lasting centre of royal and ecclesiastical authority.
Medieval imperial city and royal elections
Frankfurt's medieval standing rested on two developments that sources do not date identically: its status as a free imperial city and its role as the place where German kings were chosen. Frankfurt's municipal history pages give 1220 as the year it became a free imperial city, In 1220, Frankfurt became a free imperial city. Most other accounts instead tie the status to 1372. One of the clearest markers is a purchase: In May 1372, Frankfurt purchased the office of the Schultheiß from Emperor Charles IV and finally became a free imperial city. The 1220 date is therefore best read as an earlier privilege, while 1372 marks the point at which the city's autonomy became fully established, which is why it is the date usually used for the free city. Imperial status meant that Frankfurt was only responsible to the Holy Roman Emperor and not to local princes.
Frankfurt's electoral role developed before it was formally fixed. Frederick Barbarossa's accession in 1152 is commonly cited as the first election held there, definitely fixed in the Golden Bull of 1356. Other sources give the start of a regular pattern as 1147, From 1147 onward, Frankfurt was the site of most elections of the German kings. Contested elections also took place in the city's vicinity: in 1314 a vote held in Sachsenhausen, across the Main from the old town, produced two rival claimants. The Golden Bull, which Charles IV proclaimed in 1356 at imperial diets in Nuremberg and Metz, regulated the election of the king, partly based on older provisions, determined the number and rights of the electors and finally excluded papal claims to participation. Its procedural rule that four (out of seven) votes would always suffice to elect a new King made elections far less vulnerable to deadlock. The city's own copy, acquired in 1366, reflected its status: the Frankfurt city council acquired an own copy of the Golden Bull in 1366 to document Frankfurt's prominent status as Election City. Votes were held in the Wahlkapelle, a chapel built for this purpose in 1425 on the south side of the choir of the Imperial Cathedral.
Coronations were a second, later function. Before 1562 new kings were crowned in Aachen; from 1562 (previously held in the Free Imperial City of Aachen) until 1792, Frankfurt hosted the ceremony. The coronation itself followed the election and preceded the journey to Rome for imperial coronation by the pope. Between 1562 and 1792 ten monarchs were crowned emperor here in front of the coronation altar. The ceremony was led by the Archbishop of Mainz, one of the seven electors. The Habsburg rulers were prominent among those crowned, and the last of these coronations was the coronation of Francis II in 1792. The name "Imperial Cathedral" for the church of St Bartholomew reflects this role, although despite its common English name, it has never been an actual cathedral; it was never the seat of a bishop.
Governance within the city was dominated by a small group of families. This new wealth and freedom led to the total domination of city government by a few wealthy patricians. Council leadership reflected this structure, with a senior and a junior mayor drawn from separate benches. The patricians organised themselves in social clubs: most of the old Frankfurt families banded together in the patrician society of Alten Limpurg, which went back the Zum Römer drinking society, founded in 1357. Another group formed the society Zum Frauenstein, which was slightly more liberal and admitted foreigners. Craft guilds also sought a share of civic office, and the tension between patrician rule and guild participation remained a feature of the city's late medieval politics. Imperial immediacy protected the city from territorial lords, but it did not remove internal divisions over who held power.
Trade fairs and the rise of finance
Frankfurt's commercial rise rested on its fairs. A Frankfurt autumn fair is first mentioned in 1150, but the decisive step came in 1240. A letter from Emperor Frederick II made the autumn fair official, and the emperor sealed it during the siege of the Italian city of Ascoli. The document placed merchants travelling to the fair under imperial protection. The spring fair followed in 1330, when Emperor Louis IV granted a privilege for it, so that trade fairs were held twice a year from then on. The fairs remained important into the eighteenth century, but Frankfurt's standing among German cities rose and fell. It was the leading commercial city in the fourteenth century, lost ground to Augsburg and Nuremberg between the fifteenth and seventeenth centuries, and by the beginning of the sixteenth century, Luther reportedly described the city as the "silver and gold hole" of the German Empire.
A second economic surge began in the late sixteenth century. Its drivers were Netherlandish and Jewish newcomers, whose operations combined with an already flourishing printing industry and book trade. The Netherlandish merchants had fled religious persecution. With the immigration of merchants from the Netherlands and France, who were persecuted for their Protestant beliefs, wholesale trade and banking also established themselves in Frankfurt in the course of the 16th century. The fall of Antwerp to Spanish forces in 1585 accelerated this movement, as Flemish merchants were prompted to flee to Frankfurt and set up business there. Some of these newcomers no longer engaged in classic goods trade but concentrated purely on exchange business.
The Jewish community's position was more constrained. Since 1462, when they were forcibly relocated by decree of Frederick III, Frankfurt's Jews lived in the Judengasse ghetto. The fairs created exceptions to ordinary limits. During the fairs, the trading restrictions that normally applied to non-citizens, including Jews, were suspended. From the late sixteenth century, Jewish merchants found more openings, and from the seventeenth century onwards, many Jews worked as merchants, particularly at fairs, trading textiles, spices and metals. Several families built substantial trading firms, among them the Oppenheim family.
The year 1585 became the key date for finance. Because so many currencies circulated at the fairs, the confusing abundance of means of payment and the unrestricted exchange rates made usury and fraud possible. To counter this, trade fair merchants came together in 1585 to set uniform exchange rates. The first standard rate list was agreed in September 1585. That meeting is commonly regarded as the founding year of the Frankfurt Stock Exchange. The name "Börse" itself is first attested for 1605. Early trading was limited: at first only coins and bills of exchange were traded; at the end of the seventeenth century, trade was extended to promissory notes and bonds. The city also issued an official list of currency rates in 1625, which contained 12 coin rates.
By the late seventeenth century, Frankfurt had flourished as a trade and finance centre, and merchants, bankers and traders from across Europe came to the fair to conclude business, with the exchange at the centre of it. The combination of fairs, cross-border payments and the exchange established the financial activity that later shaped the nineteenth and twentieth centuries, including the banking houses and financial markets that define the city today.
Printing, publishing and the book trade
Frankfurt's link to printing rests on its role as a marketplace rather than on early presses of its own. Its fairs were already a major European trading venue, where merchants met twice a year to trade grain, fish, horses, spices and cloth. When printed books appeared, the fair absorbed them quickly. Johannes Gutenberg worked in nearby Mainz around 1450, and records show printer-booksellers at the Frankfurt fair by 1478, before the two trades had separated. The city itself had no printing workshops until about 1530, but the fair functioned as a clearing house for books from across Europe. The Venetian firm of Aldus Manutius was represented there by 1498, and Dutch and French printers followed.
In the sixteenth century the book trade concentrated in one district, the Büchergasse between the Main and the church of St Leonard. From the mid-century, publishers announced their titles in printed fair catalogues, which are now a key source for historians of the book. Book historians estimate that up to a hundred booksellers from several countries could offer around 20,000 titles during a single fair week, most of them in Latin and German. Books travelled as loose sheets packed in barrels, and printers often exchanged stock with one another rather than paying cash. The fair also carried religious controversy: Martin Luther's pamphlets were widely distributed there, which helped spread support for the Reformation in the region.
The seventeenth century brought decline. The Thirty Years' War and the confessional conflicts that followed the Reformation disrupted commerce, and many non-Catholic printers moved their trade to Leipzig. In the nineteenth century the fair lost much of its standing; one book fair historian has described it as having become a meeting place for pirate printers. After the Second World War, the division of Germany cut West German publishers off from Leipzig, and the booksellers of the western zones chose Frankfurt as their meeting point. The modern fair opened in September 1949 in the Paulskirche with 205 German publishers, and it was the Paulskirche, the seat of the 1848 National Assembly, that gave the returning book trade a symbol of democratic continuity. By the second edition in 1950, publishers from other European countries and the United States were also exhibiting.
Today the Frankfurt Book Fair is held over five days in mid-October at the Messe grounds. The first three days are reserved for trade visitors, while the public attends on the weekend. Its core business is the sale of publishing rights and licences, and attendance figures reported by different sources vary, from about 286,000 in 2017 to nearly 300,000 in 2023. The Peace Prize of the German Book Trade is still presented in the Paulskirche during the fair.
Frankfurt's printing heritage is also commemorated in public space. The Gutenberg Monument stands on the Roßmarkt near the Hauptwache. Sculptor Eduard Schmidt von der Launitz first produced the figures in 1840 for the 400th anniversary of printing, but the finished neo-Gothic sandstone fountain was erected between 1856 and 1858. It shows Gutenberg with his Frankfurt partners Johannes Fust and Peter Schöffer. Four seated allegorical figures represent theology, poetry, natural science and industry, and the pedestal carries portraits of early modern printers and the coats of arms of Mainz, Strasbourg, Frankfurt and Venice, the centres where printing first developed.
Napoleonic era and the nineteenth-century German Confederation
Napoleonic reorganisation, 1806–1813
The end of the Holy Roman Empire in 1806 ended Frankfurt's status as a free imperial city. The city was not absorbed directly into France. Instead it was assigned to Karl Theodor von Dalberg, the former Archbishop of Mainz, who became the Principality of Frankfurt under the Napoleonic order of the Confederation of the Rhine. Dalberg was based in Aschaffenburg rather than Frankfurt. In 1810 he combined his remaining lands, including Aschaffenburg, Wetzlar, Fulda, Hanau and the city itself, into the Grand Duchy of Frankfurt, a client state of France. The territory was ruled in practice through French commissioners, and it was not a stable political unit. Its constitution provided that the state would pass to Napoleon's stepson, Eugène de Beauharnais, and Dalberg transferred his title to him in October 1813, after Napoleon's defeat at the Battle of Leipzig.
The grand duchy ceased to exist in December 1813, when allied troops occupied the city. The territorial settlement that followed split its lands among other rulers. Hanau went to the restored Electorate of Hesse, and Aschaffenburg went to Bavaria. Frankfurt itself regained its independence, but most of the former grand duchy's territory was not returned to the city.
The restored Free City and the Federal Diet
The Congress of Vienna restored Frankfurt as a sovereign city in 1815, and the imperial part of its name was dropped. It was one of four free cities admitted to the new German Confederation, which was a loose union of independent monarchical states. The Confederation's permanent congress of envoys, the Federal Convention (Bundesversammlung, commonly called the Bundestag or Federal Diet), was seated in the Palais Thurn und Taxis. Its first sessions began in 1816, and historians generally treat that year as the start of Frankfurt's role as the seat of federal government.
Because the Confederation had no formal capital, the description of Frankfurt as Germany's capital from 1816 to 1866 is a common shorthand rather than a legal designation. Some sources use 1815 as the starting date, while others use 1816. The Diet also did not sit continuously. It was disbanded in 1848 during the revolutionary period, and in 1851 it resumed its work in Frankfurt until the Confederation's collapse in 1866. The city's position at the centre of federal diplomacy made it a focal point for the politics of the Confederation, but its sovereignty was limited by the authority of the member princes.
The Frankfurt National Assembly, 1848–1849
The revolutions of 1848 brought Frankfurt to a different kind of prominence. A preliminary parliament met in the city in March 1848 and called for elections to a national assembly. The assembly convened on 18 May 1848 in the Paulskirche (St Paul's Church), a Protestant, centrally planned neoclassical building designed for hearing speakers clearly. Its members were chosen in the first elections for a parliament covering all German states, including German-speaking areas of the Austrian Empire. Moderate liberals formed the majority.
The assembly's main task was to create a constitution for a unified German state. On 28 March 1849 it adopted a constitution providing for a parliamentary system, universal suffrage for men, and a hereditary emperor. The Prussian king refused the imperial crown offered to him, and Prussia, Austria and several other states withdrew their delegates. The assembly lost its support and dissolved in mid-1849, with a remnant continuing for a short time in Stuttgart. The Paulskirche's later reputation as a symbol of German democracy rests on this episode, even though its constitution never took effect.
Annexation by Prussia, 1866
The Confederation ended with the Austro-Prussian War of 1866. Frankfurt had sided with Austria, and after Prussia's victory it was annexed by royal decree on 20 September 1866. The city became part of the newly created Prussian Province of Hesse-Nassau and lost its status as a free city after more than five centuries. The loss of independence brought the end of Frankfurt's role as the seat of the Federal Diet, and the Prussian administration brought the city into the administrative structure of the North German state that would later become part of the German Empire.
The annexation marked a transition from political autonomy to the administrative and economic conditions that shaped the city's later growth. Under Prussian authority, Frankfurt entered the period of rapid industrial development and urban expansion described in the following sections.
Industrialization and urban growth
Frankfurt's rise as an industrial city accelerated after its annexation by Prussia in 1866. Its economic transformation is usually associated with the Gründerzeit, the boom of the 1870s and 1880s, when the city's industrialization gathered pace. Manufacturing expanded in the late nineteenth century. Factories produced heavy machinery, clothing, rubber and electrical equipment, and the city's older trade-fair culture changed in response. Fairs increasingly showed industrial technology rather than handmade goods, and Frankfurt hosted industrial, agricultural and early automotive exhibitions. The International Electrotechnical Exhibition was built on the site of the former western railway stations. Chemical production became a second pillar. The Cassella works in Fechenheim formed part of an industrial area on the eastern edge of the city, while the Hoechst dye works in Höchst developed on the western side. Höchst was a separate municipality until it was incorporated in 1928.
The Main as an inland port
The Main had long been a trade route, but barge traffic depended on the river's depth. After the river was dredged and canalised in the 1880s, barge transport made Frankfurt a significant inland port. The Westhafen, the western harbour, opened in 1886 as a commercial and safety harbour, and it served as a grain store and a winter refuge for vessels. The city soon outgrew it. Planning for a larger facility began in 1898, and the first section of the Osthafen (eastern harbour) was completed in 1912. Lord Mayor Franz Adickes opened it in May 1912. It was built with four basins and its own rail line, and it served as a transhipment point for bulk and general cargo. Over time the Westhafen lost much of its role as goods shifted to other transport modes. Parts of the port areas have since been converted into residential districts, although the Osthafen remains one of the busiest facilities on the Main. The river thus shaped the city's industrial layout as much as its early settlement.
Railways and the central station
The arrival of the railway reshaped the urban core. In the 1850s and 1860s, three separate termini stood on the western outskirts, serving the Taunus, Main-Weser and Main-Neckar lines. Construction of a new central station began in 1883, carried out by the contractor Philipp Holzmann, and the Centralbahnhof opened on 18 August 1888. It replaced the western stations and the Taunus terminus. The train shed was divided into three sections that reflected its original operators: the Taunus Railway, the Prussian state railways and the Hessian Ludwigsbahn. The station district (Bahnhofsviertel) grew around the new terminal and was largely complete by about 1900. Until the Leipzig main station opened in 1915, Frankfurt's station was the largest in Europe. Additional halls were added in 1924. Today the railway station is the busiest in Hesse and handles a daily passenger volume of several hundred thousand, making it a national hub for transport networks.
Population growth and suburbanization
Industry and rail brought a large influx of workers. One account puts the population increase at more than 300,000 in roughly thirty years after the station opened, a rise that pushed the city into the front rank of German urban centres. Lord Mayor Adickes promoted Frankfurt as an industrial and trading city, and the expansion of urban housing followed the growth of factories and railway districts. The old fortifications had already been dismantled in the early nineteenth century and replaced by gardens and promenades, which opened land for new development. Dense Gründerzeit tenements, residential quarters and industrial sites spread outward. Pressure on land eventually led to the incorporation of neighbouring communities. The Greater Frankfurt arrangement of 1928 brought in towns such as Höchst, Rödelheim and Griesheim, which gave the city a much larger municipal area.
Persecution, war damage and postwar reconstruction
The Nazi takeover quickly changed Frankfurt's civic life. In 1933 the Jewish mayor Ludwig Landmann was replaced by the NSDAP member Friedrich Krebs, and Jewish officials were then dismissed from the municipal administration and from city-linked bodies In 1933 the Jewish mayor (Oberbürgermeister) Ludwig Landmann was replaced by NSDAP member Friedrich Krebs. This led to the firing of all Jewish officials in the city administration and from city organizations.. Before 1933 Frankfurt had one of Germany's largest Jewish communities, but sources differ on its size. One account gives about 29,385 in 1925 to 14,100 in May 1939, another counts the 26,158 Jews who lived here when Hitler came to power, and a third puts the pre-war figure at 30,000 Jews, 5% of the total population. During the November 1938 pogrom, most of the synagogues in Frankfurt were destroyed by the Nazis, and more than 2,000 Jewish men were sent to concentration camps. The exhibition hall Festhalle was turned into a detention site for nearly 3,000 Jewish men after the pogrom.
Emigration and exclusion preceded mass murder. In September 1941 Jews who remained in the city were required to wear a yellow star In September 1941, any Jews who were not able to leave the city were forced to wear a yellow Star of David.. From October 1941 the Gestapo used the cellar of the Großmarkthalle, the wholesale market hall, as an assembly point for deportations From 1941 to 1945, the Gestapo used the cellar of the Grossmarkthalle as a gathering place for the deportation of Jews from the city and the Rhine-Main area.. In ten mass transports between October 1941 and September 1942, about 10,050 people were sent by freight train to ghettos and camps, where most were murdered During ten mass deportations between October 1941 and September 1942 alone, about 10,050 people were deported from the Großmarkthalle railway station in freight trains. The Gestapo chief Oswald Poche directed these operations, and by autumn 1942 the deportation of nearly all of the city's Jews was effectively complete By fall 1942, the deportation of all Jews from Frankfurt was essentially complete.. Smaller transports followed into 1944, and deportations of the surrounding area continued until March 1945 This would culminate from October 1941 to March 1945 with the deportations of Jews from Frankfurt and the surrounding area.. Survivor numbers are disputed: one source puts the remaining Jewish population at the end of the war at about 600 At the end of World War II only about 600 Jews remained in Frankfurt., while another gives a figure of only around 100-200 Jews remained in the city after the war.
The city was also heavily damaged by Allied bombing. Raids on Frankfurt killed about 5,500 residents and destroyed the largest half-timbered historical city centre in Germany. The first heavy attack on the centre came in October 1943 On 5 October 1943, the first heavy bomb attack hit the city centre.. The decisive blow came on 22 March 1944, when more than seven thousand buildings were destroyed or badly damaged, and the Paulskirche was burned out in an earlier raid that month the Paulskirche on the opposite side of the street was hit and burned out completely.. Accounts differ on the number of half-timbered houses lost: one source notes that the old town had around 1250 half-timbered houses, most of which date from the Middle Ages, while another describes of 2,000 or so half-timbered buildings only one escaped unscathed.. Among the losses was the Renaissance-era Fürsteneck House, which was completely destroyed during the Allied bombing raids on Frankfurt in March 1944.
After the war, Frankfurt came under American occupation and later became part of the Federal Republic of Germany, with Hesse as its state. Clearance of the rubble began in 1946, and by 1950 the debris had been removed In 1946, work began on clearing the debris in the old town. By 1950 the rubble and ruins had been completely removed.. The city also imposed a construction halt in 1946, even though some of the destroyed houses could have been rebuilt Although at least some of the destroyed old town houses could have been rebuilt, the city imposed a construction stop in 1946. Most new buildings followed modern designs, and a few landmark buildings were rebuilt in a simple historical style. The Paulskirche was the first of these to be rebuilt The first building to be rebuilt was the 1789 Paulskirche. The Römerberg square was the focus of the remaining restoration, as a handful of the most important historic buildings, churches and squares were restored or reconstructed, especially around the main square, the Römerberg. Full reconstruction of the old town only came later; from 2012 to 2018, a small section of the old town was reconstructed.
Frankfurt also became a centre of postwar justice. Prosecutors in Frankfurt had begun investigating crimes at Auschwitz in 1958 The investigations into the crimes of the Auschwitz perpetrators by the Frankfurt public prosecutor's office began in 1958.. The main trial opened on 20 December 1963 in the council chamber of the Römer, the city hall, against twenty-two former staff members who had worked between 1941 and 1945 at the Auschwitz concentration camp. The case was prepared by the Hesse prosecutor Fritz Bauer, and some 360 witnesses were summoned, including approximately 210 camp survivors. The trial lasted about twenty months The trial lasted twenty months, twice as long as originally planned, and received broad media coverage.. Sources differ on how the wider series is counted: one describes a series of three trials running from 20 December 1963 to 14 June 1968, charging 25 defendants. Historians often regard the trial as a turning point in West Germany's handling of the Nazi past is regarded as a turning point in the way the National Socialist past was dealt with in the new Federal Republic..
Government and administration
Frankfurt is a municipality within the German state of Hesse. Its local politics rest on three institutions: an elected city assembly, a collegial executive, and a directly elected mayor. Ortsbezirke, Stadtbezirke and Stadtteile also form a layered structure of local administration, though these units serve different purposes.
City assembly and executive
The highest decision-making body is the city assembly (Stadtverordnetenversammlung). Depending on the population, it has 93 members, who serve in an honorary capacity and are elected by the citizens every five years. It is presided over by a Stadtverordnetenvorsteherin, and Claudia Korenke has held that office since 23 April 2026. The assembly elects the Magistrat, with the exception of the mayor, and monitors how the city administration is run. It also adopts the budget, issues local statutes such as those on fees and local taxes, and approves development plans (Bebauungspläne).
The Magistrat is the city's executive. It decides on ongoing administrative matters, prepares the resolutions of the assembly and carries them out. It consists of the mayor, a deputy mayor, the city treasurer, nine further full-time councillors and 14 honorary councillors. Full-time members each hold responsibility for their own portfolio, known as a Dezernat, to which the relevant offices are assigned. Full-time members are elected for six years, while honorary members serve for the current term of the assembly. The Magistrat decides by majority vote as a collegial body, and its sessions are not public. Membership in the two bodies is mutually exclusive: no one can be a Magistrat member and a city assembly member at the same time.
The mayor
The Oberbürgermeister heads the Magistrat and is a full-time member of it. Unlike all other Magistrat members, he is elected directly by the citizens of the city. Responsibilities include preparing cabinet decisions, chairing its meetings, representing it externally, allocating portfolios among the Dezernate and organising the city administration. The current holder, Mike Josef of the SPD, won a runoff in March 2023 with 51.7% of the votes cast against the CDU candidate Uwe Becker. He has been Oberbürgermeister since May 2023. His predecessor had been removed by a recall vote in 2022, after which the Green politician Nargess Eskandari-Grünberg served as interim mayor for six months.
Districts and local representation
Frankfurt's largest political subdivisions are the 16 Ortsbezirke. Each has a local council (Ortsbeirat) headed by an Ortsvorsteher. Ortsbezirke are the highest political divisions of the city. Local councils have nine members in districts with up to 8,000 residents and 19 members in larger ones. The councils must be consulted on matters affecting their districts, but the final decision usually rests with the city assembly, which can transfer certain competences to the local councils.
Below this level, the city has Stadtbezirke, which the city's own administrative list describes as the lowest administrative tier. This is the reverse of most other German cities, where a district is usually the top unit. Each has an honorary Stadtbezirksvorsteher who mediates between residents and the administration (a person who helps mediate between citizens and local administration). Sources disagree on the total: one list gives 124 Stadtbezirke, while another counts 121. The 46 Stadtteile have a different status, since they have no administrative or political function.
Relations with Hesse and federal and European institutions
As a municipality, Frankfurt operates under Hessian state law, and the state government and parliament are located in Wiesbaden, the state capital. Frankfurt is the largest city in Hesse, and it belongs to the Regierungsbezirk of Darmstadt. The city's administration is located at Römerberg 23. Frankfurt is also a seat of national and supranational institutions. The Deutsche Bundesbank, the federal central bank, is headquartered there, as is the European Central Bank, which sits in the city's administrative structure only as a separate European body and not under municipal control. These institutions reflect the federal structure of the Federal Republic, in which federal and state responsibilities are divided, and the city's role as a host rather than a governing authority for them.
Population and social structure
Frankfurt's population figure depends on the source and the reference date. The city's own statistics office counted 778,589 residents with a main residence in the city in mid-2025, and the registered total rose to 781,337 by the end of that year. The federal statistics office, which works from figures adjusted after the 2022 census, gives a lower end-2025 estimate of 760,656. The census lowered the city's registered population by about 3.3 percent, or roughly 25,700 people, so older series that stood near 700,000 are not directly comparable with present-day registry data. The 2011 census recorded 667,925 residents. Growth has been steady since 2016, interrupted by a dip in 2021, and in recent years it has been driven largely by immigration from abroad. With a population of about 780,000, Frankfurt is the fifth-largest city in Germany, and its density is roughly 3,060 inhabitants per square kilometre across its 248 km² of municipal territory.
The population is slightly weighted toward women, with about 392,700 women and 385,900 men registered in mid-2025. Age structure shifted modestly in 2025: the under-18 group fell by a small margin, while the working-age (18–64) and over-65 groups grew. The 30–39 age band is among the largest, which reflects the city's appeal to young adults entering the labour market and to families who settle there.
Foreign nationals and multicultural character
Frankfurt has one of the highest shares of foreign nationals among large German cities. Its municipal Foreigners Advisory Council describes the city as the German city with the highest percentage of foreign population, with nearly a third of residents holding a non-German nationality. City statistics for the end of 2024 gave a share of 32 percent, and the 2022 census-based figure was 30.9 percent. Older encyclopaedic summaries often cite about a quarter, a difference that largely reflects the period and the measure used. The largest national group is Turkish, with about 24,300 people, followed by Croatian nationals with about 15,300. Recent arrivals have included many people from Ukraine and India. Counting German citizens with a migration background as well, about 57.7 percent of residents have family roots outside Germany. This mix makes the city multilingual in daily life, and this diversity is a defining feature of its social profile, and of its schools, neighbourhoods and labour market.
Metropolitan region
The city is the core of the Rhine-Main metropolitan region, which is usually reported as having more than 5.8 million inhabitants. Rankings differ by source: some describe the region as Germany's second-largest metropolitan area after Rhine-Ruhr, while others place it third or fourth, depending on which area and year are used. Boundaries also vary. Planning bodies have used a narrower definition since the early 1970s, covering Frankfurt and Offenbach together with their directly adjoining districts. A 2011 state act created a regional association for the core of the region, comprising 80 municipalities across roughly 14,750 km². The regional public transport association covers a broader area of about 14,000 km² with around 5 million residents. Commuting flows are strong, and the economic weight of Frankfurt gives the region a largely monocentric relationship with its surrounding communities.
Households, housing and living costs
Frankfurt has a demographic profile typical of a large, economically dominant city: a high share of single-person and non-family households, a substantial population of young adults, and a large number of commuters from the surrounding region. Incomes in the city are high by national standards, but housing costs are also high, and many commuters live in neighbouring municipalities where rents are lower. This gap between the city and its region in income and living costs is an important factor in local housing debates, although the precise differences vary by district and by year.
Financial centre: central banks and stock exchange
Frankfurt's role as a financial centre rests on a concentration of central-bank functions, banking supervision and a major securities market, most of them in or near the Bankenviertel, the city's banking district. The European Central Bank (ECB) is the most prominent of these institutions. Its creation in Frankfurt am Main in 1998 made the city the seat of the central bank of the euro area, and the ECB has been an EU institution since the Treaty of Lisbon took effect in December 2009 The European Central Bank (ECB), established on 1 June 1998 in Frankfurt am Main, Germany, is the central bank of the euro area and, since the entry into force of the Treaty of Lisbon on 1 December 2009, an EU institution. Together with the national central banks of euro countries, it forms the Eurosystem, which sets and carries out monetary policy for the currency area Together with the euro-area national central banks, it forms the Eurosystem, which defines and implements monetary policy in the euro area. Its primary objective is to protect the value of the euro through price stability Its primary objective is to maintain price stability, i.e. to safeguard the value of the euro. Space constraints in its first seat, the Eurotower, forced staff into two other towers nearby Because of the limited space in the Eurotower the personnel of the ECB were also (up to March 2015) distributed between two other skyscrapers in the Bankenviertel. A purpose-built headquarters in the Ostend district replaced the Eurotower as the ECB's seat in March 2015 The building served as the seat of the European Central Bank (ECB) until 18 March 2015, at which point it was officially replaced by a new purpose-built building.
The German national central bank, the Deutsche Bundesbank, is also based in Frankfurt. It was established in 1957, has been the central bank of West Germany and then of the reunified country since 1990, and operates within the Eurosystem as Germany's national central bank Headquarters: Frankfurt, Hesse, Germany. Established: 1957. Central bank of: Germany (1990–present) West Germany (1957–1990). Its supervisory role is shared with the Federal Financial Supervisory Authority (BaFin): In Germany, the task of banking supervision is shared by the Federal Financial Supervisory Authority (BaFin) and the Deutsche Bundesbank. The Bundesbank monitors the solvency and liquidity of roughly 1,680 credit institutions and performs most of the day-to-day work, including reviewing submitted reports and conducting on-site inspections The Bundesbank has the task of continuously monitoring the roughly 1,680 credit institutions, 1,300 financial services institutions and 100 payment institutions and e-money institutions active throughout Germany, in particular with regard to their solvency and liquidity. This states that the Bundesbank is responsible for the vast majority of operational banking supervision. BaFin is an independent federal body with headquarters in Bonn and Frankfurt that answers to the Federal Ministry of Finance It is an independent federal institution with headquarters in Bonn and Frankfurt and falls under the supervision of the Federal Ministry of Finance. It was formed in 2002 from earlier supervisory offices and oversees banks, insurers and other financial firms, and it also enforces rules against insider trading and market manipulation For example, Bafin investigates insider trading and market manipulation and protects the collective interests of consumers.
Since November 2014, the ECB has also supervised the larger banks under the Single Supervisory Mechanism, which was launched on 4 November 2014 The Single Supervisory Mechanism (SSM) was launched on 4 November 2014. Since then, the European Central Bank (ECB) has been responsible for supervising the significant banks/banking groups in Germany. A bank is treated as significant when its assets reach at least €30 billion, or when it is among the three largest credit institutions in its country A bank or banking group is considered significant if the total value of its assets amounts to at least €30 billion (or 20% of national gross domestic product) or if it is one of the three largest credit institutions in the respective participating member state. Staff from the ECB and from BaFin and the Bundesbank work together in joint supervisory teams These JSTs consist of staff from the ECB and the national supervisory authorities, i.e., in Germany, staff from the Federal Financial Supervisory Authority (BaFin) and the Deutsche Bundesbank. Deutsche Bank, which is domiciled in Frankfurt, shows this layering: it is overseen by the ECB, BaFin and the Bundesbank, while BaFin remains its main supervisor for conduct-of-business and anti-money-laundering matters Domiciled in Frankfurt am Main. The Bank is subject to comprehensive supervision by the European Central Bank ("ECB"), by the BaFin and by the Deutsche Bundesbank ("Bundesbank"), Germany's central bank. The BaFin remains Deutsche Bank AG's primary supervisor for regulatory matters falling outside the remit of the ECB.
The Frankfurt Stock Exchange (Börse Frankfurt), whose origins date to 1585, is among the world's oldest exchanges The Frankfurt Stock Exchange (German: Börse Frankfurt, former German name: Frankfurter Wertpapierbörse, FWB) is the world's 3rd oldest and 12th largest stock exchange by market capitalization. It is owned and operated by Deutsche Börse AG and Börse Frankfurt Zertifikate AG and sits in the Innenstadt district inside the Bankenviertel Located in Frankfurt, Germany, the Frankfurt Stock Exchange is owned and operated by Deutsche Börse AG and Börse Frankfurt Zertifikate AG. It is located in the district of Innenstadt and within the central business district known as Bankenviertel. Around 90 percent of its turnover is generated in Germany on its two trading venues, Xetra and Börse Frankfurt, which makes it the largest of Germany's seven regional exchanges With 90 percent of its turnover generated in Germany, namely at the two trading venues Xetra and Börse Frankfurt, the Frankfurt Stock Exchange is the largest of the seven regional securities exchanges in Germany. Most major German public companies are listed there, and the DAX and MDAX indices are among those traded on the exchange The Frankfurt Stock Exchange is the largest stock exchange in Germany and most major German public companies are listed on it. The MDAX is a stock index which lists German companies trading on the Frankfurt Stock Exchange. The operator, Deutsche Börse, was founded in 1992, is headquartered in Frankfurt, and owns the derivatives market Eurex and the clearing company Clearstream Founded in 1992, it is a joint stock company headquartered in Frankfurt.
The departure of the United Kingdom from the European Union also reshaped the sector's geography. Several banks and investment firms that had served EU clients from London moved staff, licences or legal entities to Frankfurt, which lies inside the euro area and the EU single legal framework. Industry sources attribute growth in jobs and financial institutions in the city since 2016 largely to this shift.
Economy beyond finance
Frankfurt's economic weight reaches well beyond banking. In 2024 the city produced about a quarter of Hesse's output. Hesse's nominal gross domestic product reached 371.4 billion euros, and Frankfurt am Main accounted for 25.7 percent of it. That share implies a city output of roughly 95 billion euros, a figure derived from these two numbers rather than reported directly. Per inhabitant, the gap is wider: Frankfurt reached 126,720 euros, more than double the Hessian average of 59,190 euros. Part of this reflects the many commuters who work in the city but live elsewhere, a point the state statistics office has raised in earlier releases.
The non-financial service sectors are large and closely linked to finance. The state's investor material describes Frankfurt as a centre of information and communication technology, and the DE-CIX internet exchange in Frankfurt is the central internet node and, measured by data throughput, the largest in the world. Business services, insurance and transport are also significant employers, and the airport and rail links that support them are discussed in the transport section. Logistics firms use the city's position at the centre of the German motorway and rail network, and this supports wholesale trade and warehousing around the metropolitan area.
Manufacturing plays a smaller role in the city than in the state as a whole. Hesse's industrial profile is built on automotive and mechanical engineering, the chemical and the electro industry, but within Frankfurt the most visible legacy is the Höchst industrial park on the western edge of the city. Former Hoechst sites there now host chemical and pharmaceutical companies, and research-intensive production continues alongside the older plants. The city's manufacturing is therefore concentrated in high-value chemicals and life sciences rather than in the heavy assembly that characterises parts of northern and southern Hesse.
Trade fairs form a distinct source of revenue and visitors. Messe Frankfurt is one of the world's largest trade fair, congress and event organisers, and it operates its own exhibition grounds. In 2025 the company organised 349 events at about 60 locations worldwide, and around 4.8 million visitors and 93,500 exhibiting companies took part. Its sales revenue for 2025 was around 766 million euros, according to the company's own reporting. The fairs held in Frankfurt draw heavily from abroad: in 2025, around 81 percent of exhibiting companies and around 57 percent of visitors at its Frankfurt events came from outside Germany.
The economic effects extend into the city's budget and employment. A study by the consultancy Prognos attributes an annual total of 3.7 billion euros in socio-economic effects to Messe Frankfurt events across Germany. More than half of the jobs linked to these events, over 17,000, are located in Frankfurt, and Frankfurt collects 45 million euros in tax revenue every year from this sales revenue. These figures are company- and commissioned-study estimates, and they measure indirect effects along the value chain, so they are not directly comparable with official output statistics.
Transport hub: airport, rail and river
Frankfurt Airport opened on 8 July 1936 and is now the largest airport in Germany by passenger traffic. In 2024 some 61.6 million passengers traveled through Frankfurt Airport (FRA), representing an increase of around 3.7 percent compared to 2023, but traffic still remained 12.7 percent below the level seen in pre-pandemic 2019. The airport's weight rests less on raw volume than on its connections. According to operator data, it offers the largest number of destinations to transfer passengers on direct connecting flights, which makes it a hub for air traffic between Europe and other continents. Air cargo is also significant, with airfreight and airmail totalling 2.1 million metric tons in 2024. Lufthansa and its cargo unit operate from the site as a base, and smaller carriers such as Condor and TUI fly Deutschland use it similarly.
The central railway station, Frankfurt (Main) Hauptbahnhof, is the other pillar of the city's transport network. Its construction took only five years, and the station opened in August 1888. It is the busiest train station in the German state of Hesse and the second most busy train station in Germany behind Hamburg Hauptbahnhof. A travel guide puts its daily use at more than 350,000 travelers. Several high-speed lines run through it: ICE 11 links Berlin and Munich, and ICE 12 connects Berlin with Basel, with every two hours service on each route. Regional and suburban services are equally dense. The underground S-Bahn station lies on two very wide and 210 m long island platforms. The underground link was begun in 1969, and the opening of its first stretch came nine years later. At Hauptwache, eight S-Bahn lines (S1–S6, S8, S9) and six U-Bahn lines (U1–U3, U6–U8) converge, which makes it a major commuter node within the public transport system. Trains also serve the airport: long-distance services reach its own station, while regional lines bring passengers from the city centre.
Road transport supports the air and rail hubs. Frankfurt has long been a crossroads, with routes from southern Germany and Switzerland meeting the traffic going to the Ruhr and northern Germany, which has made it a transport centre for western Germany. The city's road network includes the nearby A 661 Autobahn, which gives direct access to the eastern harbour. The major motorway interchange that connects the A3 and A5 lies near the city, and this motorway access underpins the city's role as a logistics centre.
The river Main is the basis of the city's inland port system. The eastern harbour, Osthafen, is the biggest port in Frankfurt and almost working at full capacity. It consists of an upper and a lower basin, separated from each other by the Offenbach Barrage. The port's annual throughput is given as approx 6,000,000t of cargo and 4,000 vessels, although the largest vessels that can call are limited by a shallow draught. Commercial shipping has a long history here: so-called "market ships" were bringing products and produce to Frankfurt from outlying regions and towns as early as the 12th century, and the harbour has served as a container transhipment centre since the early 20th century. Several of the older inland ports have since been converted into residential areas, a change that reflects the value of riverside land. Freight rail is also concentrated in the east: the former central freight station was closed, and the container yard at Ostend is one of the two remaining freight yards in the city.
Skyline, architecture and urban form
The Bankenviertel and the high-rise skyline
Frankfurt is one of the few European cities with a substantial concentration of tall buildings in its centre (Frankfurt is one of the few European cities with a sizeable concentration of tall buildings in its city centre.). The skyline grew mainly from the 1970s, when Frankfurt's high-rise boom began in earnest during the 1970s, and the construction of new skyscrapers has been steady since. The first building above 150 metres, Westend Gate, dates from 1976 (First 150 m+ building: Westend Gate (1976)). Much of the cluster sits in the Bankenviertel, the financial district, where banks have put up some of the most prominent towers (As the Main metropolis is one of the leading financial centres in Europe, many banks have built some extraordinary skyscrapers in the city centre.). Planning instruments have shaped where towers may stand: a high-rise development plan approved in 1998 designates the locations for new skyscrapers (In 1998 the City of Frankfurt approved a new high-rise development plan which specifies where new skyscrapers are allowed to be built in the city.).
Landmark towers
The Commerzbank Tower, completed in 1997, rises to about 259 metres and houses the bank's headquarters (Commerzbank Tower, which rises to a height of 259 m (850 ft) and was built in 1997. It is the second tallest building in the European Union. Reflecting the city's role as a financial centre, it houses the headquarters of Commerzbank.). On completion it was widely described as Europe's highest office building, and the Trade Fair Tower held that position before it (The Trade Fair Tower was the highest office building in Europe until the completion of the Commerzbank Tower.). One account states that it was the tallest building in Europe until 2003 (The Commerzbank Tower, at almost 850 feet, is Germany's tallest building and until 2003 was the tallest in Europe.). Its integrated tower gardens are described as the building's "green lungs" (Integrated tower gardens are the building's "green lungs".). The MesseTurm, at about 257 metres, is nearly as tall and stands at the fairgrounds (Nearly 40 buildings in a fairly small area reach a height of more than 100 meters., see the counts below).
The Europaturm, a telecommunications tower about 337 metres high, is the city's tallest structure, though it is not a building in the office-tower sense. Its construction began in 1974 and it was completed five years later, becoming the tallest free-standing structure in the Federal Republic of Germany (Designed by architect Erwin Heinle, the tower's construction began in 1974. At its completion five years later, it became the tallest free-standing structure in the Federal Republic of Germany.). It lies north of the main cluster, and its rotating top has offered views over the Rhine-Main area, although it has been closed to the public since 1999 (For a number of years, the upper part of the structure housed a restaurant and discothèque, but since 1999, the Europaturm has been closed to the public.).
Counting the towers and comparing with other German cities
Counts depend on definitions. One list of 2026 data gives Taller than 100 m (328 ft): 43 + 1 T/O; Taller than 150 m (492 ft): 20; Taller than 200 m (656 ft): 6. Another source puts the number of buildings above 100 metres at nearly 40 and notes that these include 19 of the 20 tallest skyscrapers in Germany (Nearly 40 buildings in a fairly small area reach a height of more than 100 meters. These include 19 of the 20 tallest skyscrapers in Germany.). A third, broader database tracks 597 skyscrapers + tall buildings in the city. In contrast to most German cities, where towers are rare, Frankfurt's panorama is defined by its high-rise skyline more than that of any other German city (More than any other city in Germany the Frankfurt's panorama is defined by its famous high-rise skyline.).
Historic core and reconstruction
The medieval centre presents a sharp contrast. Until 1945 the city centre, with about 3,000 half-timbered houses, was one of the largest half-timbered old towns in Europe (Until 1945, Frankfurt's city centre, with its 3,000 half-timbered houses, was one of the largest half-timbered old towns in Europe.). Allied bombing in March 1944 destroyed the district, including the Römerberg (In March 1944 bombardments obliterated the whole historic district, including the Römerberg.). Some losses were never repaired: the Renaissance-era Haus zur Goldenen Waage was destroyed in the air raid of 22 March 1944, and its remains were removed in 1950 (The remains of the house, which would have allowed reconstruction after the war, were eliminated in 1950.).
Reconstruction was selective and contested. The Römer city hall was rebuilt soon after the war (Some of the historic buildings, like the Römer, were reconstructed soon after the war.), while the eastern row of half-timbered houses on the square was only rebuilt between 1981 and 1983 following historical models (The Ostzeile however wasn't rebuilt until 1981-1983, when the houses were reconstructed following historical models.). Beyond a few representative buildings, including churches and the Römerberg, the rest of the centre was filled with functional buildings from the 1950s or demolished to make way for traffic routes, and disputes stretched the work into the 1960s (Only a few representative buildings, including Frankfurt's churches and the Römerberg, were reconstructed; the rest of the city center was filled with functional buildings from the 1950s or, in many cases, completely demolished to make way for new traffic arteries. Due to numerous disputes, the reconstruction dragged on into the 1960s). A later programme between the Römerberg and the cathedral square rebuilt much of the area largely to historic blueprints, using original materials where possible (To prevent the area from falling into complete dereliction, a huge reconstruction programme was carried out. Reconstruction largely followed historic blueprints and as far as possible included original construction materials.).
Urban design choices
The central tension is between the historic fabric and commercial demand for space. Postwar planning largely favoured modernist architecture, which is one reason the skyline and the reconstructed old town now sit side by side (the city mostly embraced modernist architecture during reconstruction.). Development is also sensitive to economic cycles: a tower planned for the Taunustor site, which was to be 135 metres high under the 1998 plan, was delayed after the dot-com crash and the attacks of 2001 (The development plan envisioned a 135 m (443 ft) high-rise building for the property, named Kaiserkarree. In 2000 architecture firm Gruber + Kleine-Kraneburg won an architecture competition for the planned tower, but the project slowed down after the Dot-com bubble burst in 2000 and the September 11 attacks in 2001.). Decisions on where towers may rise, and where the historic core is rebuilt, therefore continue to define the city's urban form.
Culture, education and research
Cultural institutions
Frankfurt's museum landscape is concentrated in the Museumsufer (Museum Embankment), a row of institutions on both banks of the Main. The Städel art museum is its centre, and most of the other museums were added in the 1980s, partly by converting historic villas, under the cultural politician Hilmar Hoffmann. The Museumsufer also includes the Historical Museum, the Schirn Kunsthalle for temporary exhibitions, the MMK Museum of Modern Art, the Liebieghaus sculpture collection, the German Film Institute and Film Museum, and the Museum of Communication. The Museum of World Cultures began in 1904 as a civic ethnological collection under the name Museum of Ethnology, and it adopted its present name in 2001. The Jewish Museum Frankfurt, opened on 9 November 1988, is the oldest independent Jewish museum in Germany. Its two sites cover Jewish life in the early modern period and since 1800. The Frankfurter Kunstverein, founded in 1829, is one of Germany's oldest art associations and promotes contemporary art.
Theatre and music are anchored by the Schauspielhaus, the Opera Frankfurt and the Alte Oper, a concert hall that has been reopened and now holds a fixed place in the city's music life. Smaller stages include the Mousonturm, which focuses on avant-garde work, the International Theatre, which performs in English, and the Fliegende Volksbühne, which stages dialect plays. The children's theatre festival Starke Stücke is held annually. Literary heritage centres on Johann Wolfgang von Goethe, who was born in Frankfurt in 1749. The Goethe House on the Großer Hirschgraben, which was rebuilt after wartime destruction, preserves the family home and is a principal site for visitors interested in his life and work. Goethe's name is also shared by the university.
Goethe University Frankfurt
Goethe University was founded in 1914 as a citizens' university. The Kaiser granted permission on 10 June 1914, but the planned grand opening was cancelled because of the outbreak of war, and a modest ceremony took place in October instead. The university was financed largely by private donors rather than by the state or the Church, which made it unusual among German universities at the time. The mayor Franz Adickes and the Jewish industrialist and philanthropist Wilhelm Merton were its main promoters, and prominent Jewish families, including the Rothschilds and the Oppenheims, contributed substantial sums. The university was renamed in 1932 in honour of Goethe. After a period of financial difficulty in the 1920s, it took its present form as a foundation university again in 2008. Today it has five campuses spread across the city and more than 40,000 students, and it is among Germany's largest research-intensive universities. Its research has its strongest focus in the social and natural sciences, and its faculty has included the Nobel laureates Paul Ehrlich, Max Born and Otto Stern. Other higher education institutions in the city include the Frankfurt University of Applied Sciences and the Städelschule, an art academy with a long tradition.
Research institutes and scientific organisations
Research in Frankfurt extends well beyond the university. The Senckenberg Society for Nature Research, which helped to back the university's foundation, runs a natural history museum and a research institute on biodiversity and the Earth's history. The Max Planck Institute for Brain Research and the Max Planck Institute for Biophysics are both located in the city, as is the Frankfurt Institute for Advanced Studies, an independent centre for interdisciplinary research. In the social sciences and related fields, the Leibniz Institute for Financial Research SAFE, the Peace Research Institute Frankfurt and the German Institute for International Educational Research are among the organisations based in the city. The German National Library also maintains a branch in Frankfurt, reflecting the city's long association with books and publishing.
The Frankfurt School
The term Frankfurt School refers to the thinkers associated with the Institute for Social Research, which was founded in 1923 with funds provided by the heir Felix Weil. The institute was first housed in rooms of the Senckenberg Museum and moved into its own building in 1924. The economist and historian Carl Grünberg led it as its first director, and Max Horkheimer took over in 1930. Under Horkheimer, the programme moved away from orthodox Marxism toward a social criticism grounded in social philosophy, which later became known as critical theory. Its journal, the Zeitschrift für Sozialforschung, appeared from 1932 until 1941 or 1942. After the Nazis came to power, the institute was forced to close and relocated to Columbia University in New York. It returned to Frankfurt in 1949. Theodor W. Adorno became its director in 1958, and Jürgen Habermas later carried the tradition into German public debate.
Local cuisine and traditions
Local food and drink reflect the city's regional identity. Frankfurt Green Sauce (Grüne Soße), made from several fresh herbs and typically served with boiled eggs and potatoes, is the best-known dish. Apfelwein, a dry local cider, is traditionally served in taverns from distinctive blue-patterned stoneware jugs called Bembel. Other specialities include Handkäse mit Musik, a sharp cheese marinated with onions and vinegar, and the Frankfurter Kranz, a buttercream cake.
Climate, green space and environment
Climate
Climate classifiers place Frankfurt in the Cfb category, an oceanic climate with mild temperatures across the year. Climate records give an annual mean of roughly 10.7 °C in one dataset and about 10.4 °C in another, depending on the reference period. July is usually the warmest month, averaging around 20.0 °C, while January is the coldest, at around 1.9 °C.
Reported precipitation also varies by station and period. One summary gives about 649 millimeters a year, while another puts the figure at 738 mm. Across most sources, December is typically the wettest month. Winters bring occasional light snowfall, and subzero temperatures are not uncommon during the cold season.
The longer records show a clear warming trend. Data starting in 1940 show that the annual mean has climbed 2.1°C between the first and last decades. Over the same span, the number of frost days has fallen from 79 in the 1940s to 43 a year now (2016–2025), and days above 30 °C have risen from 9 in the 1940s to 20 a year now. These changes connect the city's climate to wider climate-change and to the heat problems discussed below.
Green space and urban ecology
Frankfurt is unusually green for a major financial centre. The GrünGürtel, a ring of fields, orchards, woods and parks, comprises a third of its area, and it forms part of the Rhine-Main regional park. The belt is a signposted 64 km circular route, and one guide credits it as one of the world's first legally protected urban green belts in 1991. Its landscape ranges from river valleys to vineyards and forests, and it is treated in more detail in the Frankfurt Green Belt article.
The largest single component is the Frankfurt City Forest in the south. Land figures differ by source: one puts the total at 5,785 hectares, of which 3,866 hectares lie within the city limits. The forest covers the southern areas of Schwanheim, Niederrad, Sachsenhausen and Oberrad, and it contains nine ponds and six playgrounds. Its beech stands and ponds provide habitat for a range of species, which places it within the study of forest and biodiversity.
Green space is also distributed across the built-up area. One municipal sustainability report notes that about half of the city's urban area consists of natural landscapes, and that around 80 percent of the city's population live within 300 metres of a public green space. Such figures matter for urbanization planning because they show how far residents can reach a park or forest on foot.
Environmental pressures
Air quality is shaped by the airport and transport network. Frankfurt's air is shaped by its position as Europe's busiest cargo airport hub and a major Autobahn interchange. Aircraft noise from the airport is the other major pressure on residents, and it is closely tied to the airport's operations, which are discussed in the section on debates.
Urban heat is a growing concern because the warming trend is most visible in summer days above 30 °C. Dense districts with sealed surfaces retain heat more than the green belt, and urban planners generally treat green corridors that carry cooler air into built-up areas as a way to reduce this effect. Measures in this area are covered in the section on climate adaptation.
Water and the floodplain
The Main and its tributary, the Nidda, shape the green network. Riverside paths along the Nidda and Main rivers form part of Frankfurt's Green Belt, and the Niddatal, a serene river valley, wraps around the west and north of the belt. These valleys are low-lying floodplain areas. Keeping them open rather than building on them has a direct bearing on flood risk, which connects river management, floodplain ecology and the water supply of the city to its urban development.
Debates and open questions
Housing affordability
Frankfurt's high incomes, its concentration of financial employers and strong demand for living space have made housing one of the city's most contested issues. In the first half of 2026, average asking rents for new lettings reached €19.45 per square metre, but their annual growth slowed to 2.4%, down from 7.2% a year earlier, according to a market review by JLL. Average asking rents for new lettings reached €19.45/sqm with annual growth of +2.4% – a significant slowdown from +7.2% in the first half of 2025. Purchase prices present a different picture. Despite a cumulative five-year decline of -10.4%, Frankfurt remains by far the second most expensive property market among the German Big 8 cities after Munich.
Political debate centres on how to add supply, whether within the city boundaries or in neighbouring municipalities, and on keeping the city affordable for households outside the financial and corporate sectors. Because many of the city's high-earning jobs are concentrated in a few districts, pressure on housing is uneven, and the gap between central and peripheral neighbourhoods remains a recurring point in discussions of income-inequality and quality-of-life.
Airport expansion and night flights
Frankfurt Airport, one of Europe's largest hubs, has been the focus of noise disputes for decades. Opposition to a new runway began long before its construction. Legal challenges were resolved in 1980 in favour of the project, yet resistance on the ground intensified, and opponents erected a citizens' initiative (BI) hut as of May 1980 on the planned site. The fourth runway opened in October 2011, and this allowed the airport to increase its capacity from 83 to 126 aircraft movements per hour.
The accompanying night-flight restriction proved more contentious. The ban on flights between 23:00 and 05:00 replaced an earlier approval for 17 scheduled night movements, and on 4 April 2012, the German Administrative Court confirmed the decision of the Hessian Administration Court, banning night flights between 11pm and 5am. The airline Lufthansa, which uses Frankfurt as its main hub, argued that the restriction is unusually strict compared with other major European airports. A night-flight ban in this form does not exist in Amsterdam, Paris, London or Dubai. The airline has said it would seek to justify selected night operations in further proceedings. The ruling by the Federal Administrative Court allows the airline to justify the need for night flights in further proceedings. Expansion plans beyond the fourth runway continue to generate litigation, and the balance between hub capacity and residents' protection from noise remains unresolved.
Brexit and the financial sector
The 2016 referendum on British membership of the European Union prompted banks to relocate some European operations, and Frankfurt was among the main beneficiaries. Frankfurt is emerging the winner among EU financial capitals in attracting London's much-coveted banking business, ahead of Paris, Milan and Amsterdam. Early estimates were large: the Bundesbank estimates that non-German banks could move 675 billion euros ($817 billion) to Europe's largest economy.
Subsequent developments complicated these expectations. Many institutions chose to move staff to a number of locations within the European Union rather than building a single hub, which limited the concentration of jobs in one city. The decision to seat the European Banking Authority in Paris was also a setback, and Frankfurt's lobby group expected it to "undoubtedly" cost the German city jobs. Projections for new employment remained optimistic, with the Association of Foreign Banks in Germany forecasting that they will probably add between 3,000 and 5,000 jobs within two years. Because most job figures come from industry bodies and the banks themselves, the net effect is difficult to verify independently, and it remains uncertain how much of the relocation is permanent and how far financial activity will grow in the coming decade. Digitalisation and shifting regulation add further unknowns to this outlook.
Climate adaptation in a dense city
Frankfurt's compact built-up core, its large areas of sealed surfaces and its tall office buildings all contribute to heat retention in summer, a phenomenon commonly described as an urban-heat-island. As climate-change raises average temperatures and the frequency of hot days, planners face the task of cooling dense districts without losing space for housing and commerce.
Current debates often focus on the role of green space within the urban fabric. The City Forest and the green belt on the city's edges are seen as important for cooling air flows and for biodiversity, but their benefit depends on how well they connect to the neighbourhoods that most need relief. Measures discussed in this context include planting trees, greening façades and roofs, unsealing paved areas, and protecting corridors through which cooler air can flow into built-up districts. Such choices involve trade-offs between preserving open land and meeting demand for new floor space, which keeps the question of sustainable-development in urban planning at the centre of local politics.
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