Führerhauptquartier Werwolf was the codename used for one of Adolf Hitler's World War II Eastern Front military headquarters located in a pine forest about 12 kilometres (7.5 mi) north of Vinnitsa (now Vinnytsia) in Ukraine, which was used between 1942 and 1943. It was one of a number of Führer Headquarters throughout Europe, and the most easterly ever used by Hitler in person.