Carquefou (French pronunciation: [kaʁkəfu] ^ⓘ; Gallo: Carqefou, Breton: Kerc'hfaou) is a commune in the Loire-Atlantique, department in the region Pays de la Loire, in western France.

Quick Facts Carqefou (Gallo) Kerc'hfaou (Breton), Country ...

Carquefou Carqefou (Gallo) Kerc'hfaou (Breton)
Commune
Coat of arms
Location of Carquefou
Carquefou Show map of France Carquefou Show map of Pays de la Loire
Coordinates: 47°17′51″N 1°29′29″W
Country	France
Region	Pays de la Loire
Department	Loire-Atlantique
Arrondissement	Nantes
Canton	Carquefou
Intercommunality	Nantes Métropole
Government
• Mayor (2020–2026)	Véronique Dubettier-Grenier[1]
Area 1	43.42 km2 (16.76 sq mi)
Population  (2021)[2]	20,510
• Density	470/km2 (1,200/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	44026 /44470
Elevation	1–76 m (3.3–249.3 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

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The headquarters of the geophysical research company Sercel is located in Carquefou^[5][6]

In 2008, the local football team Union Sportive Jeanne d'Arc Carquefou reached the quarter-finals of the French Cup after a win over the 8-times national champions Olympique de Marseille on March 19, putting the town in the national headlines.

• Communes of the Loire-Atlantique department