BAJONENCIS (Bayeux - Calvados)Attested in the fourth century.
BAJONENCIS (Bayonne - Pyrénées-Atlantiques)Mentioned in the eleventh century.
BELLICENSIS (Belley - Ain)Separated from the See of Besançon or that of Lyon, probably in the fifth century. Reestablished about 530 at the expense of the dioceses of Lyon, Grenoble and Vienne.
BELVACENSIS (Beauvais - Oise)Created in the fourth century.
BISUNTINENCIS (Besançon - Doubs)Middle of the fourth century, Archbishopric in the ninth century.
BITERRENSIS (Béziers - Hérault)Created in the beginning of the fifth century.
BITURIGENSIS (Bourges - Cher)Created in the third century.
BRIOCENSIS (Saint Brieuc - Côtes d'Armor)Created in the ninth century.
BURDEGALENSIS (Bordeaux - Gironde)Mentioned in the fourth century. Archbishopric in the ninth century.