Sulzbach-Rosenberg is a municipality in the Amberg-Sulzbach district, in Bavaria, Germany. It is situated approximately 14 km northwest of Amberg, and 50 km east of Nuremberg. The town consists of two parts: Sulzbach in the west, and Rosenberg in the east. Archeological evidence tells that Sulzbach was an important centre from the 8th century on. Sulzbach castle was founded during the early 8th century, probably by the late-Merovingian/early-Carolingian kingdom.