an Entity references as follows:
Rankenheim is a mansion on Zemminsee in Groß Köris, Brandenburg, approx. 50 kilometres south of Berlin. In Nazi Germany it was used as a camp for educating teachers. After 1945 it became a temporary hospital and eventually a place for "maladjusted children" during the GDR regime - it is now a youth village. The surrounding district of Groß Köris is called Rankenheim.