Westphalia () is a region in Germany, centred on the cities of Arnsberg, Bielefeld, Bochum, Detmold, Dortmund, Gelsenkirchen, Hagen, Minden and Münster and included in the state of North Rhine-Westphalia. Westphalia is roughly the region between the rivers Rhine and Weser, located north and south of the Ruhr River. No exact definition of borders can be given, because the name "Westphalia" was applied to several different entities in history. For this reason specifications of area and popul… (More on Westfalen)