Iglesia de San Pedro (Loiu) Monument · Loiu, Bilbo Handia / Gran Bilbao, Bizkaia Image of Loiu, not of the place itself. Church of medieval origin, from the 12th century, with the first documented renovation in 1634. siglo XII (origen); 1634 (primera reforma documentada) Photo: Javierme Javier Mediavilla Ezquibela (CC BY 3.0) What to see and do in Loiu