The main streets are the following: Santiago Kalea/Calle Santiago, Eguerdi Kalea/Calle Mediodía, Ebro Kalea/Calle Ebro.
About bus, 4 possibilities exist (like "A6 Santa Cruz de Campezo/Santikurutze Kanpezu → Vitoria-Gasteiz").
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on FotoCasa.
Closest cities