Frankfurt am Main (/ˈfræŋkfərt/; German pronunciation: [ˈfʁaŋkfʊɐ̯t am ˈmaɪ̯n] ( )), commonly known as Frankfurt, is the largest city in the German state of Hesse and the fifth-largest city in Germany, with a population of 687,775 (2012) within its administrative boundaries. The actual urban area has a population of 2,500,000. The city is at the centre of the larger Frankfurt Rhine-Main Metropolitan Region which has a population of 5,600,000 and is Germany's second-largest metropolitan region. Since the enlargement of the European Union in 2013, the geographic centre of the EU is about 40 km (25 mi) east of Frankfurt.
Frankfurt is the largest financial centre in continental Europe and ranks among the world's leading financial centres. It is home to the European Central Bank, Deutsche Bundesbank, Frankfurt Stock Exchange and several large commercial banks. The European Central Bank is the central bank of the eurozone, consisting of 18 EU member states that have adopted the euro (€) as their common currency and sole legal tender. The Deutsche Bundesbank is the central bank of Germany and as such part of the European System of Central Banks. The Frankfurt Stock Exchange is one of the world's largest stock exchanges by market capitalization and accounts for over 90 percent of the turnover in the German market. In 2010, 63 national and 152 international banks had their registered offices in Frankfurt, including the headquarters of the major German banks, notably Deutsche Bank, Commerzbank, DZ Bank and KfW, as well as 41 representative offices of international banks.
Frankfurt is therefore considered a global city (alpha world city) as listed by the Loughborough University group's 2010 inventory. Among global cities it was ranked 10th by the Global Power City Index 2011 and 11th by the Global City Competitiveness Index 2012. Among financial centers it was ranked 8th by the International Financial Centers Development Index 2013 and 9th by the Global Financial Centres Index 2013.
Due to its central location within Germany and Europe, Frankfurt is a major air, rail and highway transport hub. Frankfurt Airport is one of the world's busiest international airports by passenger traffic and the main hub for Germany's flag carrier Lufthansa, the largest airline in Europe. Frankfurt Central Station is one of the largest terminal stations in Europe and the busiest junction operated by Deutsche Bahn, the German national railway company, with 342 daily trains to domestic and European destinations. Frankfurter Kreuz, the Autobahn interchange close to the airport, is the most heavily used interchange in the EU with approximately 320,000 cars daily.
Frankfurt is also a centre for commerce, culture, education, tourism and web traffic. Messe Frankfurt is one of the world's largest trade fairs at 578,000 square metres and ten exhibition halls, a central logistics centre and an attached convention centre. Major trade fairs include the Frankfurt Motor Show, the world's largest motor show, and the Frankfurt Book Fair, the world's largest book fair. Frankfurt is also home to many cultural and educational institutions including the Johann Wolfgang Goethe University and Frankfurt University of Applied Sciences, many museums (e.g. Städel, Naturmuseum Senckenberg, Schirn Kunsthalle Frankfurt, Goethe House), and two major botanical gardens, the Palmengarten, which is Germany's largest, and the Botanical Garden of the Goethe University.
In 2011, the human-resource-consulting firm Mercer ranked Frankfurt as seventh in its annual "Quality of Living" survey of cities around the world. According to The Economist cost of living survey, Frankfurt is Germany's most expensive city, and the 10th most expensive in the world.
A unique feature of Frankfurt is its significant number of skyscrapers and high-rise buildings in the city center which form the Frankfurt skyline. Frankfurt is one of only a few cities in the European Union that have such a skyline, the others being London, Milan, Warsaw, Madrid, Rotterdam and La Défense in the outer Paris region. Because of the city's skyline, Germans sometimes refer to Frankfurt as "Mainhattan", a portmanteau of the local Main River and Manhattan.
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