Arrondissement of Saint-Brieuc

Saint-Brieuc Cathedral (French: Basilique-Cathédrale Saint-Étienne de Saint-Brieuc) is a Roman Catholic church located in the town of Saint-Brieuc, Brittany, France, and dedicated to Saint Stephen. The cathedral is the seat of the Bishop of Saint-Brieuc and Tréguier. It was declared a minor basilica on 3 September 1875. It is a listed monument historique since 1906.

Saint-Brieuc ([sɛ̃ bʁijø], Breton: Sant-Brieg pronounced [sãnt ˈbriːɛk], Gallo: Saent-Berioec) is a city in the Côtes-d'Armor department in Brittany in northwestern France.

The canton of Saint-Brieuc-1 is an administrative division of the Côtes-d'Armor department, northwestern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Saint-Brieuc. It consists of the following communes: Saint-Brieuc (partly)

The Diocese of Saint-Brieuc and Tréguier (Latin: Dioecesis Briocensis et Trecorensis; French: Diocèse de Saint-Brieuc et Tréguier; Breton: Eskopti Sant-Brieg ha Landreger) is a Latin Church diocese of the Catholic Church in France. The diocese comprises the department of Côtes d'Armor in the Region of Brittany. The diocese is currently suffragan to the Archdiocese of Rennes, Dol, and Saint-Malo. The current bishop is Denis Moutel, appointed in 2010. Originally erected, according to legend, in the 5th century, the diocese was suppressed by the French Revolution. Re-established by the Concordat of 1802, the diocese became a suffragan to the Archdiocese of Tours. Later, in 1850, it became suffragan of the Archdiocese of Rennes. The Diocese of Saint-Brieuc was formed to include: (1) the ancient diocese of the same name; (2) the greater portion of the Diocese of Tréguier; (3) a part of the old Dioceses of St. Malo, Dol, and Quimper and Léon, and (4) the parishes of the Diocese of Vannes. In 1852 the Bishops of Saint-Brieuc were authorized to add to their title that of the ancient See of Tréguier. In 2022, in the Diocese of Saint-Brieuc and Tréguier there was one priest for every 5,129 Catholics.

Saint-Brieuc station (French: Gare de Saint-Brieuc) is a railway station serving the town Saint-Brieuc, Côtes-d'Armor department, western France. It is situated on the Paris–Brest railway and the branch line to Pontivy (freight) and Le Légué (sometimes touristic).

The canton of Saint-Brieuc-2 is an administrative division of the Côtes-d'Armor department, northwestern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Saint-Brieuc. It consists of the following communes: Saint-Brieuc (partly)

Plérin (French pronunciation: [pleʁɛ̃]; Breton: Plerin; Gallo: Plérein) is a coastal commune in the Côtes-d'Armor department of Brittany in northwestern France. The Marché du Porc Breton, located in Plérin, is where the price of pork is set for retailers across France.

The canton of Plérin is an administrative division of the Côtes-d'Armor department, northwestern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Plérin. It consists of the following communes: Plérin Pordic Trémuson

Saint-Brieuc Armor Agglomération is the communauté d'agglomération, an intercommunal structure, centred on the city of Saint-Brieuc. It is located in the Côtes-d'Armor department, in the Brittany region, western France. It was created in January 2017. Its seat is in Saint-Brieuc. Its area is 600.7 km2 (231.9 sq mi). Its population was 151,733 in 2017, of which 44,372 in Saint-Brieuc proper.

The canton of Ploufragan is an administrative division of the Côtes-d'Armor department, northwestern France. Its borders were not modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Ploufragan. It consists of the following communes: La Méaugon Plédran Ploufragan Saint-Donan Saint-Julien

The canton of Trégueux is an administrative division of the Côtes-d'Armor department, northwestern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Trégueux. It consists of the following communes: Hillion Langueux Trégueux Yffiniac

Ploufragan (French pronunciation: [plufʁaɡɑ̃]; Breton: Ploufragan) is a commune in the Côtes-d'Armor department of Brittany in northwestern France. Ploufragan lies adjacent to the southwest of Saint-Brieuc, the prefecture and largest city of Côtes-d'Armor.