The Communauté d'agglomération du Pays Voironnais is the communauté d'agglomération, an intercommunal structure, centred on the town of Voiron. It is located in the Isère department, in the Auvergne-Rhône-Alpes region, eastern France. It was created in 2000. Its population was 95,268 in 2014, of which 20,775 in Voiron proper.
The communauté d'agglomération consists of the following 31 communes:
Coordinates: 45°20′N 5°35′E / 45.333°N 5.583°E