Frankfurt, a central German city on the river Main, is a major financial hub that's home to the European Central Bank. It's the birthplace of famed writer Johann Wolfgang von Goethe, whose former home is now the Goethe House Museum. Like much of the city, it was damaged during World War II and later rebuilt. The reconstructed Altstadt (Old Town) is the site of Römerberg, a square that hosts an annual Christmas market. Frankfurt, officially Frankfurt am Main; Hessian: Frangford am Maa, lit. "Frank ford on the Main"), is the most populous city in the German state of Hesse. Its 763,380 inhabitants as of December 31, 2019 make it the fifth-most populous city in Germany. On the River Main (a tributary of the Rhine), it forms a continuous conurbation with the neighbouring city of Offenbach am Main and its urban area has a population of 2.3 million. The city is at the centre of the larger Rhine-Main Metropolitan Region, which has a population of 5.5 million and is Germany's second-largest metropolitan region after the Rhine-Ruhr Region. Frankfurt's central business district lies about 90 km (56 mi) northwest of the geographic centre of the EU at Gadheim, Lower Franconia. Like France and Franconia, the city is named after the Franks. Frankfurt is the largest city in the Rhine Franconian dialect area.
The city can be accessed from around the world via Frankfurt Airport (Flughafen Frankfurt am Main) located 12 km (7 mi) southwest of the city centre. The airport has four runways and serves 265 non-stop destinations. Run by transport company Fraport it ranks among the world's busiest airports by passenger traffic and is the busiest airport by cargo traffic in Europe. The airport also serves as a hub for Condor and as the main hub for German flag carrier Lufthansa. It is the busiest airport in Europe in terms of cargo traffic, and the fourth busiest in Europe in terms of passenger traffic behind London Heathrow Airport, Paris Charles de Gaulle Airport and Amsterdam Airport Schiphol. Passenger traffic at Frankfurt Airport in 2018 was 69,510,269 passengers. Frankfurt am Main Airport (IATA: FRA, ICAO: EDDF) (German: Flughafen Frankfurt am Main, also known as Rhein-Main-Flughafen) is a major international airport located in Frankfurt, the fifth-largest city of Germany and one of the world's leading financial centres. Frankfurt Hahn Airport (IATA: HHN, ICAO: EDFH): Despite the name, Frankfurt Hahn Airport (Flughafen Frankfurt-Hahn) is situated approximately 120 km (75 mi) from the city in Lautzenhausen (Rhineland-Palatinate). Hahn Airport is a major base for low-cost carrier Ryanair. This airport can only be reached by car or bus. An hourly bus service runs from Frankfurt Central Station, taking just over 2 hours. Passenger traffic at Hahn Airport in 2010 was 3.5 million. Frankfurt Egelsbach Airport (ICAO: EDFE, IATA: QEF): Frankfurt Egelsbach Airport (Flugplatz Frankfurt-Egelsbach) is a busy general aviation airport located south-east of Frankfurt Airport, near Egelsbach.