Founding of Monreal by Alfonso I Historical milestone · Monreal del Campo, Jiloca, Teruel Image of Monreal del Campo, not of the place itself. Between 1120 and 1124 Alfonso I the Battler raised here a stronghold that he called Monreal, dwelling of the celestial king according to the letter of Archbishop Guillermo de Aux. The settlement was organised around the castle, the tower and the church. 1120-1124 Photo: Jomora94 (CC0) What to see and do in Monreal del Campo