Iglesia de San Pedro de Arantzazu Monument · Arantzazu, Arratia-Nerbioi, Bizkaia Image of Arantzazu, not of the place itself. Neoclassical parish church completed in 1828, with a Latin cross floor plan built in ashlar, with the hermitage of San Fausto attached to its porch. Photo: Etxaburu (Etxaburu) (CC BY-SA 4.0) What to see and do in Arantzazu