Stalag Luft IV
Tychowo, Poland
Stalag Luft IV was a German World War II prisoner-of-war camp in Gross Tychow, Pomerania (now Tychowo, Poland). It housed mostly American POWs, but also Britons, Canadians, Poles, Australians, New Zealanders, South Africans, Czechs, Frenchmen and a Norwegian.
Prison data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).