Arrondissements of the Mayenne department

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The 3 arrondissements of the Mayenne department are:^[1]

Arrondissement of Château-Gontier, (subprefecture: Château-Gontier-sur-Mayenne) with 76 communes. The population of the arrondissement was 73,211 in 2021.
Arrondissement of Laval, (prefecture of the Mayenne department: Laval) with 34 communes. The population of the arrondissement was 114,674 in 2021.
Arrondissement of Mayenne, (subprefecture: Mayenne) with 130 communes. The population of the arrondissement was 118,048 in 2021.

History

In 1800 the arrondissements of Laval, Château-Gontier and Mayenne were established. The arrondissement of Château-Gontier was disbanded in 1926, and restored in 1942.^[2] On 1 January 2019, the commune of Château-Gontier were disbanded and establish the new commune of Château-Gontier-sur-Mayenne as a subprefecture for the Arrondissement of Château-Gontier.

The borders of the arrondissements of Mayenne were modified in March 2016:^[3]

14 communes from the arrondissement of Laval to the arrondissement of Château-Gontier
38 communes from the arrondissement of Laval to the arrondissement of Mayenne

References

^ "Populations légales 2021: 53 Mayenne" (PDF). INSEE. December 2023.
^ Historique de la Mayenne
^ "Arrêté préfectoral, 24 March 2016" (PDF). Retrieved 2019-10-22.

v t e Administrative division of Pays de la Loire (on 1 January 2023) Prefecture: Nantes
Loire-Atlantique (44)	Prefecture: Nantes Three arrondissements 31 cantons 207 communes 10 legislative constituencies 16 intercommunalities
Maine-et-Loire (49)	Prefecture: Angers Four arrondissements 21 cantons 177 communes 7 legislative constituencies 9 intercommunalities
Mayenne (53)	Prefecture: Laval Three arrondissements 17 cantons 240 communes 3 legislative constituencies 9 intercommunalities
Sarthe (72)	Prefecture: Le Mans Three arrondissements 21 cantons 354 communes 5 legislative constituencies 16 intercommunalities
Vendée (85)	Prefecture: La Roche-sur-Yon Three arrondissements 17 cantons 255 communes 5 legislative constituencies 19 intercommunalities