Oberhausen (German pronunciation: [ˈoːbɐhaʊzən]) is a city on the river Emscher in the Ruhr Area, Germany, located between Duisburg (c. 12 km) and Essen (c. 13 km). The city hosts the International Short Film Festival Oberhausen and its Gasometer Oberhausen is an anchor point of the European Route of Industrial Heritage. It is also well known for the Centro, which is the biggest shopping mall in Germany. The city’s Sea Life Centre was home to Paul the Octopus.
Oberhausen was named for its 1847 railway station which had taken its name from the Castle Oberhausen (German: Schloss Oberhausen). The new borough was formed in 1862 following inflow of people for the local coal mines and steel mills. Awarded town rights in 1874, Oberhausen absorbed several neighbouring boroughs like Alstaden, parts of Styrum and Dümpten in 1910. After becoming a city in 1901, Oberhausen incorporated the towns of Sterkrade and Osterfeld in 1929. The Ruhrchemie AG synthetic oil plant („Oberhausen-Holten“ or …