Ruhr the Duisburg Mercatorhalle, the Saalbau Essen or the Dortmunder Philharmoniker. Each year in spring time, there is the Klavier-Festival Ruhr in the Ruhr area with 50 to 80 events of classical and jazz music. With more than 50 museums, Ruhr has one of the largest variety of museums in Europe. Industrial Museum The city of Essen (representing the Ruhr) was selected as European Capital of Culture for 2010 by the Council of the European Union. The Ruhr region has with 22 universities and colleges and more than 250,000 students, the highest density of further education establishments anywhere in Germany. These
Rhine-Ruhr is the University of Cologne "(Universität zu Köln)", founded in 1388 AD. Other universities include: The following register lists all municipalities that officially belong to Rhine-Ruhr area. Demographically, these municipalities include 20 cities (German: ), each with more than 100,000 inhabitants, and 11 districts (German: ), each with a population of more than 250,000 inhabitants. Some districts only belong partly to Rhine-Ruhr area. In such a case only the municipalities that belong to the metro area are listed. Rhine-Ruhr The Rhine-Ruhr metropolitan region () is the largest metropolitan region in Germany with over 10 million inhabitants. It is of polycentric