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Challans | |
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The church tower in Challans | |
![]() Location of Challans | |
| Coordinates: 46°50′48″N 1°52′41″W / 46.8467°N 1.8781°W | |
| Country | France |
| Region | Pays de la Loire |
| Department | Vendée |
| Arrondissement | Les Sables-d'Olonne |
| Canton | Challans |
| Intercommunality | Challans-Gois Communauté |
| Government | |
| • Mayor (2020–2026) | Rémi Pascreau |
Area 1 | 64.84 km2 (25.03 sq mi) |
| Elevation | 11 m (36 ft) |
| Highest elevation | 64 m (210 ft) |
| Lowest elevation | 1 m (3.3 ft) |
| Population (2023) | 22,943 |
| • Density | 353.8/km2 (916.4/sq mi) |
| Time zone | UTC+01:00 (CET) |
| • Summer (DST) | UTC+02:00 (CEST) |
| INSEE/Postal code | 85047 /85300 |
| Website | challans |
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Challans (French: [ʃalɑ̃]) is a commune in the Vendée department in the Pays de la Loire region in western France. Challans station has rail connections to Saint-Gilles-Croix-de-Vie and Nantes.

The Hôtel de Ville was completed in 2006.
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| Source: EHESS and INSEE (1968-2023) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Challans is twinned with: