The first mention of Murillo de Gállego Historical milestone · Murillo de Gállego, Hoya de Huesca, Huesca Image of Murillo de Gállego, not of the place itself. A document of that day records for the first time the name of the place, set at the foot of the mallos and next to the ford of the Gállego, on the frontier between the nascent kingdom of Aragon and the Muslim lands to the south. 19 de marzo de 1033 Photo: Magnificus (CC BY-SA 3.0) What to see and do in Murillo de Gállego