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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.
2. Arrondissement of Laval, (prefecture of the Mayenne department: Laval) with 34 communes. The population of the arrondissement was 114,674 in 2021.
3. 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. On 1 January 2019, the commune of Château-Gontier was merged into the new commune of Château-Gontier-sur-Mayenne, which became the subprefecture for the Arrondissement of Château-Gontier.

The borders of the arrondissements of Mayenne were modified in March 2016:

• 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

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

v t e Arrondissements of France by department

01 Ain 02 Aisne 03 Allier 04 Alpes-de-Haute-Provence 05 Hautes-Alpes 06 Alpes-Maritimes 07 Ardèche 08 Ardennes 09 Ariège 10 Aube 11 Aude 12 Aveyron 13 Bouches-du-Rhône 14 Calvados 15 Cantal 16 Charente 17 Charente-Maritime 18 Cher 19 Corrèze 2A Corse-du-Sud 2B Haute-Corse 21 Côte-d'Or 22 Côtes-d'Armor 23 Creuse 24 Dordogne 25 Doubs 26 Drôme 27 Eure 28 Eure-et-Loir 29 Finistère 30 Gard 31 Haute-Garonne 32 Gers 33 Gironde 34 Hérault 35 Ille-et-Vilaine 36 Indre 37 Indre-et-Loire 38 Isère 39 Jura 40 Landes 41 Loir-et-Cher 42 Loire 43 Haute-Loire 44 Loire-Atlantique 45 Loiret 46 Lot 47 Lot-et-Garonne 48 Lozère 49 Maine-et-Loire 50 Manche 51 Marne 52 Haute-Marne 53 Mayenne 54 Meurthe-et-Moselle 55 Meuse 56 Morbihan 57 Moselle 58 Nièvre 59 Nord 60 Oise 61 Orne 62 Pas-de-Calais 63 Puy-de-Dôme 64 Pyrénées-Atlantiques 65 Hautes-Pyrénées 66 Pyrénées-Orientales 67 Bas-Rhin 68 Haut-Rhin 69D Rhône 69M Lyon 70 Haute-Saône 71 Saône-et-Loire 72 Sarthe 73 Savoie 74 Haute-Savoie 75 Paris 76 Seine-Maritime 77 Seine-et-Marne 78 Yvelines 79 Deux-Sèvres 80 Somme 81 Tarn 82 Tarn-et-Garonne 83 Var 84 Vaucluse 85 Vendée 86 Vienne 87 Haute-Vienne 88 Vosges 89 Yonne 90 Territoire de Belfort 91 Essonne 92 Hauts-de-Seine 93 Seine-Saint-Denis 94 Val-de-Marne 95 Val-d'Oise Overseas departments 971 Guadeloupe 972 Martinique 973 Guyane 974 Réunion

• Arrondissements by departments of France
• Arrondissements of Mayenne