Castilblanco, donación al monasterio de El Escorial Historical milestone · Castilblanco, Cijara, Badajoz Image of Castilblanco, not of the place itself. Around 1608, Philip II donated Castilblanco to the monastery of El Escorial, under whose jurisdiction it remained until the territorial reforms of the 19th century. hacia 1608 Photo: Fernando de Caco y Sotomayor (Public domain) What to see and do in Castilblanco