A citadel is a Spanish castle. Etymologically, the word comes from Arabic fortress at Qasr ????? which means' strength ', which is in Latin castellum (castrum). Several Spanish cities have an alcazar.
The Alcazar of Sevilla is used as a place of accommodation for members of the Royal Family and dignitaries who visit the city. It consists of several buildings of different eras. The original fortification was built on an ancient Roman settlement, and later Visigoths. Later became a basilica Paleo (San Vicente Martir), where he was buried San Isidoro.