Langueux
Langueux 
    Langaeg  | |
|---|---|
Town hall  | |
Location of Langueux  | |
| Coordinates: 48°29′45″N 2°42′58″W / 48.4958°N 2.7161°W | |
| Country | France | 
| Region | Brittany | 
| Department | Côtes-d'Armor | 
| Arrondissement | Saint-Brieuc | 
| Canton | Trégueux | 
| Intercommunality | Saint-Brieuc Armor | 
| Government | |
| • Mayor (2020–2026) | Richard Haas | 
Area 1  | 9.10 km2 (3.51 sq mi) | 
| Population  (2022)  | 7,947 | 
| • Density | 870/km2 (2,300/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 22106 /22360  | 
| Elevation | 2–107 m (6.6–351.0 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Langueux (French pronunciation: [lɑ̃gø]; Breton: Langaeg) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.