Pays_de_Gex
Arrondissement of Gex
Arrondissement in Auvergne-Rhône-Alpes, France
The arrondissement of Gex is an arrondissement of France in the Ain department in the Auvergne-Rhône-Alpes region. It approximately corresponds to the historical region of the Pays de Gex. It has 27 communes.[2] Its population is 93,027 (2016), and its area is 404.9 km2 (156.3 sq mi).[3]