Arrondissements of the Isère department

The 3 arrondissements of the Isère department are:

1. Arrondissement of Grenoble, (prefecture of the Isère department: Grenoble) with 297 communes. The population of the arrondissement was 655,074 in 1990, and was 696,326 in 1999, an increase of 6.3%.
2. Arrondissement of La Tour-du-Pin, (subprefecture: La Tour-du-Pin) with 137 communes. The population of the arrondissement was 189,786 in 1990, and was 212,987 in 1999, an increase of 12.22%.
3. Arrondissement of Vienne, (subprefecture: Vienne) with 99 communes. The population of the arrondissement was 171,368 in 1990, and was 184,693 in 1999, an increase of 7.78%.