CASTLES OF SPAIN (2) - Castle of Villarejo del Salvanés, Madrid, Spain. - Villarejo de Salvanés is situated in the Madrid Region, about 50 km from the capital. It belongs to the Cuenca del Tajo basin. The castle was built in 1203 and remains of the canvases on the walls are preserved, as well as the impressive keep. The construction is considered a unique example in Spain because it has eight cubes or towers, instead of four, which is the usual number.