Arrondissements of the Isère department
The 3 arrondissements of the Isère department are:
- Arrondissement of Grenoble, (prefecture of the Isère department: Grenoble) with 263 communes. The population of the arrondissement was 748,885 in 2021.
- Arrondissement of La Tour-du-Pin, (subprefecture: La Tour-du-Pin) with 136 communes. The population of the arrondissement was 315,625 in 2021.
- Arrondissement of Vienne, (subprefecture: Vienne) with 113 communes. The population of the arrondissement was 220,438 in 2021.