Roman Catholic Diocese of Alba Pompeia Tags: Clerical Administrative Region, Diocese.The Italian Catholic Diocese of Alba Pompeia (Latin: Dioecesis Albae Pompeiensis) comprises eighty towns in the civilian Province of Cuneo and two in the Province of Asti.It is a suffragan of the Archdiocese of Turin. thumbnail area (km2) 1.05e+09 country Italy Established 4th century province Roman Catholic Archdiocese of Turin Learn more... Loading...