Wikipedia
Wülzburg is a historical fortress of the Renaissance-Age in Germany. It is about east of the center of Weißenburg in Bayern. It stands on a hill above Weißenburg, at an elevation of , and was originally a Benedictine monastery dating from the 11th century.
It is one of the best-preserved Renaissance fortresses in Germany. Today it is as Ortsteil (locality) a part of the city of Weißenburg. It was converted into a fortress from 1588 to 1605 from George Frederick, Margrave of Brandenburg-Ansbach.
In the 19th century it was an garrison of the Bavarian Army. During WWI, Charles DeGaulle was imprisoned at the Wülzburg. The Nazis also used it as a prison camp during WWII; it was here that the Czech composer Erwin Schulhoff was held for over a year before he died of TB. After the war it was a refugee camp.