- Dioecesis Gambomensis
- “Diocese of Gamboma, Congo“. . Saints.SQPN.com. 19 March 2013. Web. 23 May 2013. <>
Town in Monmouthshire on Usk River, associated with the legends of King Arthur. It was the seat of a bishopric, afterwards transferred to Saint Davids. In 973 King Edgar was rowed by eight kings at Caerleon. The remains of a Roman amphitheater are to be found here.
Former diocese in Manche, France. Added to Coutances, France in 1802. It was an important city of the Gallo-Roman period. The Council of Avranches, 1172, imposed penance on Henry II of England for the murder of Thomas Becket, forbade the conferring of benefices on children, and recommended observance of the Advent fast.