Bad Nenndorf interrogation centre
The Bad Nenndorf interrogation centre was a British Combined Services Detailed Interrogation Centre (CSDIC) located within the Winckler-Bath (German: Winckler-Bad) complex and adjacent buildings, in the West German town of Bad Nenndorf, district of Schaumburg, Lower Saxony. This was located in the British Occupation zone in Germany.
Source: Wikipedia — Bad Nenndorf interrogation centre (CC BY-SA 4.0)