Yacimiento arqueológico de Iruña-Veleia Monument · Iruña Oka/Iruña de Oca, Cuadrilla de Añana, Álava Roman city built on top of an earlier settlement (the hillfort of Kutzemendi/Olarizu, occupied from the Late Bronze Age and the Iron Age); the site, covering some 126 hectares of which 11 correspond to the walled enclosure or oppidum, is dated between the first millennium BC and the 5th century AD, when it was abandoned. The municipality of Iruña de Oca was formed in 1976 from the merger of Montevite, Nanclares de la Oca, Ollávarre, Trespuentes, and Víllodas. Photo: Txo (Public domain) What to see and do in Iruña Oka/Iruña de Oca