Repoblación cristiana y paso a la Corona de Castilla Historical milestone · Alconchel, Llanos de Olivenza, Badajoz Alconchel was resettled by Christians in the 12th century under Alfonso I of Portugal. In 1264 it passed to the Crown of Castile, which handed it over to the Order of the Temple. Photo: LBM1948 (CC BY-SA 4.0) What to see and do in Alconchel