It has historical category of very Illustrious Town. 
There belongs to the Vale of the Burunda also called of the Sakana which is formed by the municipalities of Bakaikoa, Alsasua, Urdiain, Iturmendi, Etxarri/Aranaz, Lakuntza and Ziordia, between others. East vale also known as vale of the Sakana offers one of more impressive sceneries of Navarre, since it is flanked by the saws of Urbasa-Andía and Aralar, which offer natural places with very much delight.
In Alsasua, the traveler it will come across with the chapels of the Saint Christ of Otadia, that of Saint John Bautista, that of Our Lady of Erkuden and that of San Pedro, who splits between the municipal terms of Alsasua and Urdiain
Alsasua is the most important population nucleus of the vale of Burunda and he lives principally of the agriculture, the cattle and her through wood, railroad industry and of motoring.

The visitor will discover in this municipality numerous monuments religious like the Convent of the Capuchins, the Church of Asunción constructed in the XVIth century and of style Renaissance, but the more emphasized from this municipality are his four chapels.

The Saint's Chapel Christ de Otadia, constructed in the XVIth century, is attached to the cemetery, it is of square plant and it has walls of chairs. The Chapel of Saint John Bautista, of rectangular plant, finds on the river Alzania and has chairs walls. The Chapel of San Pedro is between Alsasua and Urdiain. The limit of municipal terms is marked by the lintel of the door of south front. The part of the altar is located on Urdiain and image of the Saint keeps it . The Chapel of Our Lady of Erkuden has big chairs walls and it is in the Elkuren deserted place. (Source Guide Campsa).