The Gestapo headquarters is a secret office run by senior officer Otto Flick. Its location is a secret dungeon, at Rue de Gascogne 32, presumably in central Nouvion. The lower part of the dungeon has a cellar with a contraption inside to lower the ceiling, for interrogation and torturing.
- The location referred to as the dungeon in Allo Allo may be ambiguous. Engelbert Von Smallhausen refers to it as a part of the Gestapo headquarters, while in the same scene earlier Helga Geerhardt says it is a part of the Chateau. Either there are two separate dungeons or the Gestapo headquarters are at the same location (in the underground) as the Chateau.