Aulesti is the most inhabited municipality and more big of the localities that Lea's union shapes Ibarra. It is to half of the Medieval way Markina-Lekeitio, and mounts Iluntzar and Bedartzandi limit the municipality. It does not have town character, although it was arranged as such.

The municipality is formed by the city center and seven quarters principal, that are the following ones: Goierri, Ibarrola, Narea, Malats, San Anthony, Urriola and Zubero.

Interest patrimony:

Pedro Ibañez de Aulestia marries Tower
Palace Ibañez de Aldekoa
Palace of the family Aulestia
Parish of Saint John Bautista
Chapel of Saint John of Malats
Chapel of Saint John of Murelaga
Chapel Elizatxu
Chapel of Santa Eufemia
Chapels of San Vicente, San Pablo and Maria Magdalen
Chapel of the St Lawrence
Chapel of San Antonio Abbot
Crossings
Hamlets
Barns
Quarter Malats
Mills
Reservoirs, preys and bridges
Springs
Caves

It populates it of Aulesti arranged on both sides of the way that crosses it and the villages that compose the so called Porch of Murélaga, more dispersed and decentralized, shapes a set homogeneously of habitat of tradition medieval and adapted to the geography that shapes it. (fte. to see the links)