The Royal Monastery of Santa Maria de Guadalupe (Spanish: Real Monasterio de Nuestra Señora de Guadalupe) is a Roman Catholic monastic establishment inGuadalupe, Cáceres, a province of the Extremadura autonomous community of Spain. It is located at the feet of the eastern side of the Sierra de las Villuercas and was one of the most important monasteries in the country for more than four centuries. UNESCO declared it a World Heritage Site in 1993.