Oflag IV-D
Germany
Oflag IV-D was a World War II German Army prisoner-of-war camp located in Elsterhorst (now Nardt) near Hoyerswerda, then part of Lower Silesia, 44 km (27 mi) north-east of Dresden. It held mostly French, but also Belgian, Polish, Serbian, British and other Allied officers.
Prison data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).