Tiedra Castle is a medieval fortress located in the town of Tiedra, in the province of Valladolid. Built in the 13th century, the castle has belonged to illustrious figures such as Berenguela de Castilla and the Téllez de Meneses family. It was an important strategic point on the border between the kingdoms of León and Castile. The castle has a keep, walls and a moat surrounding it on two sides. It has been recently restored and now houses a museum inside.