Before World War II the city was globally noted for its unique old town with timber-framed buildings, the largest timber-framed old town in Europe.
The Römer area was later rebuilt and is popular with visitors and for events such as Christmas markets.
In 2015, Frankfurt has a population of 732,688 within its administrative boundaries, and is Germany's second-largest metropolitan region after Rhine-Ruhr.
Since the enlargement of the European Union in 2013, the geographic centre of the EU is about 40 km (25 mi) to the east of Frankfurt's CBD, the Bankenviertel.
), is a metropolis and the largest city in the German state of Hesse and the fifth-largest city in Germany.
Frankfurt was a city state, the Free City of Frankfurt, for nearly five centuries, and was one of the most important cities of the Holy Roman Empire; it lost its sovereignty in 1866.
The idea is simple: put a small group of like-minded singles together for a nice dinner or event, let them be real human beings, and the rest will take care of itself. And don't worry - each dinner or event has a host that will keep the conversation lively and the mood exciting.
The other well known and obvious nickname is Bankfurt.
The Frankfurt Stock Exchange is one of the world's largest stock exchanges by market capitalization and accounts for more than 90 percent of the turnover in the German market.
In 2010, 63 national and 152 international banks had their registered offices in Frankfurt, including Germany's major banks, notably Deutsche Bank, Commerzbank, DZ Bank and Kf W, as well as 41 representative offices of international banks.
Frankfurt is the largest financial centre in continental Europe.
It is home to the European Central Bank, Deutsche Bundesbank, Frankfurt Stock Exchange and several large commercial banks.