The Royal Site of San Lorenzo de El Escorial, also called Monasterio de El Escorial or simply El Escorial, is a historical residence of the king of Spain located in the town of San Lorenzo de El Escorial, 2.06 kilometres (1.28 mi) up the valley from the town of El Escorial and about 45 kilometres (28 mi) northwest of the Spanish capital Madrid. Built between 1563 and 1584 by order of King Philip II, El Escorial is the largest Renaissance building in the world. It is one of the Spanish royal sites and functions as a monastery, basilica, royal palace, pantheon, library, museum, university, school, and hospital.