The Kyffhäuser is a hill range in Central Germany, shared by Thuringia and Saxony-Anhalt, southeast of the Harz mountains. It reaches its highest point at the Kulpenberg with an elevation of 473.4 m (1,553 ft). The range is the site of medieval Kyffhausen Castle and the 19th century Kyffhäuser Monument; it has significance in German traditional mythology as the legendary resting place of Emperor Frederick Barbarossa.

Thuringia, officially the Free State of Thuringia, is a state of central Germany, covering 16,171 square kilometres (6,244 sq mi), the sixth smallest of the sixteen German states. It has a population of about 2.1 million.