Arrondissements of the Ille-et-Vilaine department

The 4 arrondissements of the Ille-et-Vilaine department are:[1] In 1800, the arrondissements of Rennes, Fougères, Montfort, Redon, Saint-Malo and Vitré were established.

The arrondissements of Montfort and Vitré were disbanded in 1926.

[2] In 2010, the arrondissement of Fougères was renamed Fougères-Vitré, and it absorbed the six cantons of Argentré-du-Plessis, Châteaubourg, La Guerche-de-Bretagne, Retiers, Vitré-Est and Vitré-Ouest from the arrondissement of Rennes.

[3] The borders of the arrondissements of Ille-et-Vilaine were modified in January 2017:[4]