Iruña Oka/Iruña de Oca Village · Iruña Oka/Iruña de Oca, Cuadrilla de Añana, Álava Municipality of 3,704 inhabitants (2025) formed in 1976 by the merger of Iruña (with Víllodas and Trespuentes) and Nanclares de la Oca (with Nanclares, Ollávarre, and Montevite). Nanclares de la Oca, with 2,669 inhabitants, is the capital. 1976 Photo: Coco29 (CC BY-SA 4.0) What to see and do in Iruña Oka/Iruña de Oca