Following the 1243 , a Castilian army led by the then "infante" Alfonso of Castile laid siege and took the place by force in 1244. Located on the slopes of a hill, the place was well fortified, with a double rim of walls. Water supply was secured by the seizure of the network of located to the northeast. Most of the Muslim population was driven out of the place and Mula, following the ensuing demographic replacement, henceforth became a vanguard post and power base of the Crown of Castile in the region. Taking the former into account, the town presumably remained in possession of Castile during the 1264–66 Mudéjar revolt. The muslim population relocated to the hamlet of La Puebla de Mula.