Communauté de communes Cœur de Chartreuse  Communauté de communes Cœur de Chartreuse is a French intercommunality composed of 17 communes, situated in the departments of Isère and Savoie in the Auvergne-Rhône-Alpes region. It was founded on January 1, 2014. The communauté de communes consists of the following 17 communes: