Derval

For the Irish given name Derval, see Dervla.

Derval (French pronunciation: [dɛʁval] ^ⓘ; Gallo: Derva, Breton: Derwal) is a commune in the Loire-Atlantique department in western France.

Derval Derva (Gallo) Derwal (Breton)
Commune
Town hall
Coat of arms
Location of Derval
Derval Show map of France Derval Show map of Pays de la Loire
Coordinates: 47°40′06″N 1°40′12″W
Country	France
Region	Pays de la Loire
Department	Loire-Atlantique
Arrondissement	Châteaubriant-Ancenis
Canton	Guémené-Penfao
Intercommunality	Châteaubriant-Derval
Government
• Mayor (2020–2026)	Dominique David[1]
Area 1	63.51 km2 (24.52 sq mi)
Population  (2022)[2]	3,578
• Density	56/km2 (150/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	44051 /44590
Elevation	8–77 m (26–253 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Geography

The river Chère forms all of the commune's northern border.

Population

Historical population

Year Pop. ±% p.a. 1793 1,750 —     1821 1,936 +0.36% 1846 2,309 +0.71% 1872 2,968 +0.97% 1901 3,329 +0.40% 1926 3,226 −0.13% 1946 2,859 −0.60% 1962 2,702 −0.35%	Year Pop. ±% p.a. 1968 2,675 −0.17% 1975 2,591 −0.45% 1982 2,558 −0.18% 1990 2,558 +0.00% 1999 2,491 −0.29% 2007 2,919 +2.00% 2012 3,422 +3.23% 2017 3,489 +0.39%
Source: EHESS[3] and INSEE (1968-2017)[4]

International relations

Derval is twinned with Llanidloes, a small town in Wales.

See also

• Communes of the Loire-Atlantique department