Frankfurt is an international centre for finance, commerce, culture, transport, education, and tourism. It is therefore considered an alpha world city as listed by the Loughborough University group's 2010 inventory. It was ranked 10th among global cities by the Global Power City Index 2011, 11th by the Global City Competitiveness Index 2012 and 7th among international financial centers by the International Financial Centers Development Index2012.0 Frankfurt is one of the few European cities with a significant number of skyscrapers, meaning buildings at least 150 m (492.13 ft) tall. 12 out of a total of 13 skyscapers in Germany are located in Frankfurt with two more (European Central Bank Headquarters, 185 metres, and Taunusturm, 170 metres) under construction in 2011. Most of the skyscrapers and high-rise office buildings in Frankfurt are located in the financial district (Bankenviertl) near the city centre, around the trade fair premises (Europaviertl) and at Mainzer LandstraĂ&#x;e, which connects the two areas
Frankfurt, is the largest city in the German state of Hesse and the fifthlargest city in Germany, with a 2011 population of 695,624. The urban area had an estimated population of 2,300,000 in 2010.The city is at the centre of the larger Frankfurt RhineFr Metropolitan Region which has a population of 5,600,000. Frankfurt is the financial and transportation centre of Germany and the largest financial centre in continental Europe. It is the seat of the European Central Bank, the German Federal Bank, the Frankfurt Stock Exchange, and the Frankfurt Trade Fair, as well as several large commercial banks, e.g. Deutsche Bank, Commerzbank and DZ Bank Frankfurt Airport is one of the world's busiest international airports, Frankfurt Central Station is one of the largest terminal stations in Europe, and the Frankfurter Kreuz is one of the most heavily used Autobahn interchanges in Europe.