Oflag IV-C - Credit: Wikimedia Commons
Oflag IV-C, often referred to by its location at Colditz Castle, overlooking Colditz, Saxony, was one of the most noted German Army prisoner-of-war camps for captured enemy officers during World War II; Oflag is a shortening of Offizierslager, meaning "officers' camp". Read more on Wikipedia
Source: en.wikipedia.org