Oflag IV-A was a World War II German POW camp for officers located in the 15th-century Burg Hohnstein, in Hohnstein, Saxony.
Wikipedia https://en.wikipedia.org/wiki/Oflag_IV-A
Official Website https://gedenkplaetze.info/fruehe-konzentrationslager/konzentrationslager-hohnstein/
Address 2 Rathausstraße, Hohnstein 01848, Germany
Coordinates 50°58'47.224" N 14°6'34.913" E