La Roche-Derrien

La Roche-Derrien
Ar Roc'h-Derrien
Part of La Roche-Jaudy
The church of La Roche-Derrien
The church of La Roche-Derrien
Coat of arms of La Roche-Derrien
Coat of arms
Location of La Roche-Derrien
Map
La Roche-Derrien is located in France
La Roche-Derrien
La Roche-Derrien
La Roche-Derrien is located in Brittany
La Roche-Derrien
La Roche-Derrien
Coordinates: 48°44′50″N 3°15′30″W / 48.7472°N 3.2583°W / 48.7472; -3.2583
CountryFrance
RegionBrittany
DepartmentCôtes-d'Armor
ArrondissementLannion
CantonTréguier
CommuneLa Roche-Jaudy
Area
1
1.84 km2 (0.71 sq mi)
Population
 (2019)[1]
1,130
 • Density610/km2 (1,600/sq mi)
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
Postal code
22450
Elevation2–60 m (6.6–196.9 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

La Roche-Derrien (French pronunciation: [la ʁɔʃ dɛʁjɛ̃]; Breton: Ar Roc'h-Derrien) is a former commune in the Côtes-d'Armor department of Brittany in northwestern France. On 1 January 2019, it was merged into the new commune La Roche-Jaudy.[2]

  1. ^ Téléchargement du fichier d'ensemble des populations légales en 2019, INSEE
  2. ^ Arrêté préfectoral 29 October 2018 (in French)