The First Mention of Dezam Historical milestone · Deza, Campo de Gómara, Soria Image of Deza, not of the place itself. The name Deza first appears in the chronicles of Alfonso III, who reigned between 866 and 910, in the form Dezam; between the 13th and 15th centuries the stronghold changed hands several times between the crowns of Castile and Aragón. 876 Photo: Diego Delso (CC BY-SA 4.0) What to see and do in Deza