Carta de villazgo de Castilblanco (1556) Historical milestone · Castilblanco, Cijara, Badajoz Image of Castilblanco, not of the place itself. King Charles I granted Castilblanco the title of villa in 1556, after the townspeople paid 1,434,800 maravedís. In June 1554 the population was 296 households, about 1,300 people. 1556 Photo: Unknown author (Public domain) What to see and do in Castilblanco