Karrantza Harana/Valle de Carranza Village · Karrantza Harana/Valle de Carranza, Enkartazioak / Encartaciones, Bizkaia Municipality founded on 6 June 1287, the largest in Bizkaia, organized into 49 small neighborhoods around the administrative capital of Concha. It already appears cited as "Carrantia" in the Chronicle of Alfonso III among the territories resettled in the 8th century. It has 2,715 inhabitants (INE, 2025). siglo VIII (mención como territorio repoblado); 6 de junio de 1287 (fundación de la villa) Photo: Theklan (CC BY-SA 4.0) What to see and do in Karrantza Harana/Valle de Carranza