Voiron is a commune in the ninth district of the Isère department in southeastern France. It is the capital of the canton of Voiron and has been part of the Grenoble-Alpes Métropole since 2010. Voiron is located 25 km northwest of Grenoble and 85 km southeast of Lyon. Its roughly 20,000 inhabitants are the Voironnais.
Voiron, along with Chambéry and Grenoble, is a gateway city of the Chartreuse Mountains in the Auvergne-Rhône-Alpes region.
Wikipedia https://en.wikipedia.org/wiki/Voiron
Coordinates 45°21'47.299" N 5°35'27.87" E
