Oberhausen (IPA2|ˈoːbɐhaʊzən) is a city in North Rhine-Westphalia, Germany. It is located in the Ruhr area, 35 km to the north of Düsseldorf on the banks of the river Emscher The area which is Oberhausen today belonged to a number of different dominions until 1862, when the new borough was formed following the development of coa...