Its prominence in the plastics industry has earned it the name Plastics Valley. Oyonnax is the second most populated commune in the Ain department in the Auvergne-Rhône-Alpes region in eastern France. Its residents are known as Oyonnaxiens. Oyonnax lies in a valley of the Jura Mountains in the far north of Ain. It is near the Parc naturel régional du Haut-Jura. The city is on the river Ange. The name of […]