Heiligenhaus
Heiligenhaus is a town in the district of Mettmann, in North Rhine-Westphalia, Germany, in the suburban Rhine-Ruhr area. It lies between Düsseldorf and Essen.
Bochum University of Applied Sciences has a branch in Heiligenhaus for the development of locking Systems.
Heiligenhaus also contains the ancestral family farm of the acclaimed American author John Steinbeck.