Kerien
| Kerien Kerien-Boulvriag | |
|---|---|
| The church of Saint-Pierre | |
| Location of Kerien | |
| Coordinates: 48°23′27″N 3°12′39″W / 48.3908°N 3.2108°W | |
| Country | France | 
| Region | Brittany | 
| Department | Côtes-d'Armor | 
| Arrondissement | Guingamp | 
| Canton | Callac | 
| Intercommunality | Guingamp-Paimpol Agglomération | 
| Government | |
| • Mayor (2020–2026) | Claude Salomon | 
| Area 1 | 21.88 km2 (8.45 sq mi) | 
| Population  (2022) | 247 | 
| • Density | 11/km2 (29/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 22088 /22480 | 
| Elevation | 223–307 m (732–1,007 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Kerien (French pronunciation: [kɛʁjɛ̃]; Breton: Kerien-Boulvriag) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.