The Château de Castelnaud is a medieval castle located in the Dordogne region of France. Built in the 12th century, it sits on a rocky outcrop overlooking the Dordogne River. The castle played a significant role during the Hundred Years' War and has been well-preserved, showcasing its historical architecture and defensive features. Today, the château serves as a museum, displaying a collection of medieval weapons and artifacts. Visitors can explore its towers, ramparts, and gardens while enjoying panoramic views of the surrounding landscape. The site attracts many tourists interested in history and architecture.