Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Oberhausen (German pronunciation: [ o b ha z n]) 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.