The Roman Catholic Diocese of Mondoñedo-Ferrol (also known as "Dioecesis Mindoniensis-Ferrolensis") is the northernmost of the four Latin rite suffragan dioceses in the ecclesiastical province of the Metropolitan Archdiocese of Santiago de Compostela, which covers Galicia in the northwest of Spain."Diocese of Mondoñedo-Ferrol" Catholic-Hierarchy.org. David M. Cheney. Retrieved February 29, 2016"Diocese of Mondoñedo–Ferrol" GCatholic.org. Gabriel Chow. Retrieved February 29, 2016 The area had previously been home to Britonia, a settlement founded by expatriate Britons in the wake of the Anglo-Saxon invasion of Britain. Britonia was represented by the diocese referred to as Britonensis ecclesia (Britton church) in sources from the 6th and 7th centuries.
