Castillo de los Duques de Alba

40°49′27″N 5°30′49″W / 40.824279°N 5.513681°W / 40.824279; -5.513681 Castillo de los Duques de Alba is a castle-palace in Alba de Tormes, Salamanca province, western Spain. It is the ancestral seat of the House of Alba. Today, the castle is in ruins and can be visited by the public.