Arrondissements of the Isère department

The 3 arrondissements of the Isère department are:[1] In 1800 the arrondissements of Grenoble, Saint-Marcellin, La Tour-du-Pin and Vienne were established.

The arrondissement of Saint-Marcellin was disbanded in 1926.

[2] The borders of the arrondissements of Isère were modified in January 2017:[3]