The Diocese of Quimper (–Cornouaille) and Léon is a Latin Church ecclesiastical territory or diocese of the Catholic Church in France. In 1853, the name was changed from the Diocese of Quimper (–Cornouaille) to the Diocese of Quimper (–Cornouaille) and Léon.
The Diocese of Coutances (–Avranches) is a Latin diocese of the Catholic Church in France. Its mother church is the Cathedral of Coutance in the commune of Coutances in France. The diocese is suffragan of the Archbishop of Rouen and comprises the entire department of Manche. It was enlarged in 1802 by the addition of the former Diocese of Avranches and of two archdeaconries from the Diocese of Bayeux. Since 1854 its bishops have held the title of Bishop of Coutances (–Avranches).
The Archdiocese of Bordeaux (–Bazas) is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in France. The episcopal see is Bordeaux, Aquitaine. It was established under the Concordat of 1802 by combining the ancient Diocese of Bordeaux with the greater part of the suppressed Diocese of Bazas. The Archdiocese of Bordeaux is a metropolitan see, with four suffragan dioceses in its ecclesiastical province: Dioceses of Agen, Aire and Dax, Bayonne, and Périgueux.
The Diocese of Nice is a Latin diocese of the Catholic Church in France. The diocese comprises the Department of Alpes-Maritimes. The diocese is a suffragan of the Archdiocese of Marseille.
The Diocese of Bayeux and Lisieux is a Latin Church diocese of the Catholic Church in France. It is coextensive with the Department of Calvados and is a suffragan to the Archdiocese of Rouen, also in Normandy.
The Diocese of Angoulême is a Latin diocese of the Catholic Church in France. Originally erected in the 3rd century, the episcopal see is the Angoulême Cathedral. Comprising the département of the Charente, the diocese had traditionally been suffragan to the Archbishopric of Bordeaux, under the old régime as well as under the Concordat, but since 2002 is suffragan to the Archdiocese of Poitiers.
The Diocese of Cahors is a Latin Church diocese of the Catholic Church in France. The diocese comprises the whole of the department of Lot.
The Diocese of Vannes is a Latin Church diocese of the Catholic Church in France. It was established in the 5th century. The seat of the bishop is Vannes Cathedral, in the city of Vannes, on the southern shore of the peninsula of Brittany (Bretagne). The diocese corresponds to the French civil department of Morbihan, and has been a suffragan to the Archdiocese of Rennes, Dol, and Saint-Malo since 3 January 1859.
The Diocese of Tarbes et Lourdes is a Latin Church ecclesiastical territory or diocese of the Catholic Church in France. Until 2002 Tarbes was a suffragan of the Archdiocese of Auch. It is now a suffragan of the Archdiocese of Toulouse.
The Diocese of Châlons is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Châlons-sur-Marne, France. The diocese comprises the department of Marne, excluding the arrondissement of Reims.
The Archdiocese of Marseille is a Latin Church ecclesiastical jurisdiction or archdiocese of the Catholic Church in France. The archepiscopal see is in the city of Marseille, and the diocese comprises the arrondissement of Marseille, a subdivision of the department of Bouches-du-Rhône in the Region of Provence-Alpes-Côte d'Azur.
The Diocese of Viviers is a Latin Church diocese of the Catholic Church in France. Erected in the 4th century, the diocese was restored in the Concordat of 1822, and comprises the department of Ardèche, in the Region of Rhône-Alpes. It is a suffragan of the Archdiocese of Lyon. The city of Viviers is located on the west (left) bank of the Rhône River, just south of the confluence of the River L'Escoulay and the Rhône, about 52 km. north of Orange.
The former French Catholic diocese of Alet was created in 1317 from territory formerly in the diocese of Narbonne. The diocese continued until the French Revolution when it was suppressed by the Concordat of 1801.
The former Breton and French diocese of Tréguier existed in Lower Brittany from about the sixth century, or later, to the French Revolution. Its see was at Tréguier, in the modern department of Côtes-d'Armor.
The former Breton and French Catholic Diocese of Saint-Malo existed from at least the 7th century until the French Revolution. Its seat was at Aleth until the 12th century, when it was moved to Saint-Malo. Its territory extended over some of the modern departments of Ille-et-Vilaine, Côtes-d'Armor, and Morbihan. Until the 860s, it was sometimes termed the bishopric in Poutrocoet.
The Archdiocese of Rennes, Dol, and Saint-Malo is a Latin Church diocese of the Catholic Church in France. The diocese is coextensive with the department of Ille et Vilaine. The Archdiocese has 8 suffragans: the Diocese of Angers, the Diocese of Laval, the Diocese of Le Mans, the Diocese of Luçon, the Diocese of Nantes, the Diocese of Quimper and Léon, the Diocese of Saint-Brieuc and Tréguier, and the Diocese of Vannes.
The Diocese of Nevers is a Latin Church diocese of the Catholic Church in France. The diocese comprises the department of Nièvre, in the Region of Bourgogne.
The Diocese of Bayonne, Lescar, and Oloron, commonly Diocese of Bayonne, is a Latin Church ecclesiastical territory or diocese of the Catholic Church in France. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Bordeaux. The diocese comprises the département of Pyrénées-Atlantiques, in the région of Nouvelle-Aquitaine.
The Diocese of Montauban is a Latin Church diocese of the Catholic Church in France. The diocese is coextensive with Tarn-et-Garonne, and is currently a suffragan of the Archdiocese of Toulouse. The episcopal seat of the Diocese of Montauban is in Montauban Cathedral.