Hohenzollern Castle is the ancestral seat of the imperial House of Hohenzollern. It is located atop Berg Hohenzollern, a 234 m (768 ft) bluff rising above the towns of Hechingen and Bisingen in the foothills of the Swabian Alps of central Baden-Württemberg, Germany. Hohenzollern castle has over 300,000 visitors per year, making it one of the most visited castles in Germany.