Alcázar of Segovia. Segovia Castle, located in an ancient town of Segovia in central Spain, started off as an Arab fort in the century. In the Middle Ages Alcazar was a key fortress in the defense of the country.
El Escorial is a historical residence of the king of Spain. It is one of the Spanish royal sites and functions as a monastery, royal palace, museum, and school. It is located about 45 kilometres (28 miles) northwest of the Spanish capital, Madrid, in the town of San Lorenzo de El Escorial.
The Palacio Real de Madrid (The Royal Palace of Madrid), also known as the Palacio de Oriente (The Orient Palace, or Far East Palace), is the official residence of the King of Spain in the city of Madrid, but it is only used for state ceremonies. King Juan Carlos and the Royal Family do not reside in the palace, choosing instead the more modest Palacio de la Zarzuela on the outskirts of Madrid.