Wollstein concentration camp

Stalag XXI-C was a German Army World War II prisoner-of-war camp located in Wolsztyn in German-occupied Poland. It held mostly Polish, French, British and Soviet POWs, but also American, Norwegian, Dutch and Italian. It was one of four main German POW camps in the Military District XXI, alongside the Stalag XXI-A in Ostrzeszów, Stalag XXI-B in Szubin and Stalag XXI-D in Poznań.

Prison data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).