 Valeria was founded on land conquered from the celtiberians, between 93 and 82 BC when Valerius Flaccus became proconsul of Hispania Citerior, since when it has preserved the name that refers to its founder.Valeria is located on a tongue of land between limestone gorges at an altitude of a 1000 metres.Excavation began in the 1950s, but more scientifically since 1974.