Ketrzyn
Kętrzyn is a town in north-eastern Poland with 30,300 inhabitants (1995).Situated in the Warmian-Masurian Voivodship (since 1999), previously in Olsztyn Voivodship (1975-1998). It is very roughly near lattitude 54N, longitude 021E.
Prior to 1945, Ketrzyn was situated in Germany's province of East Prussia, and was known in German as Rastenburg. The town was transferred to Polish possession, along with the rest of southern East Prussia, after World War II.
Adolf Hitler's wartime military headquarters, the so-called "Wolf's Lair", was located in the forests near the town.