The 3 arrondissements of the Vendée department are:

Arrondissement of Fontenay-le-Comte, (subprefecture: Fontenay-le-Comte) with 105 communes. The population of the arrondissement was 139,706 in 2021. Arrondissement of La Roche-sur-Yon, (prefecture of the Vendée department: La Roche-sur-Yon) with 77 communes. The population of the arrondissement was 304,663 in 2021. Arrondissement of Les Sables-d'Olonne, (subprefecture: Les Sables-d'Olonne) with 71 communes. The population of the arrondissement was 255,090 in 2021.

History In 1800 the arrondissements of Fontenay-le-Comte, Montaigu and Les Sables-d'Olonne were established. La Roche-sur-Yon replaced Fontenay-le-Comte as prefecture in 1804. Fontenay-le-Comte replaced Montaigu as subprefecture in 1811.Historique de la Vendée

The borders of the arrondissements of Vendée were modified in January 2017, when 11 communes from the arrondissement of La Roche-sur-Yon were transferred to the arrondissement of Fontenay-le-Comte and eight communes from the arrondissement of Les Sables-d'Olonne moved to the arrondissement of La Roche-sur-Yon.

In January 2019 the commune Landeronde passed from the arrondissement of Les Sables-d'Olonne to the arrondissement of La Roche-sur-Yon.

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