Collonges (French pronunciation: [kɔlɔ̃ʒ]; Arpitan: Colonges) is a commune in the Ain department in the Auvergne-Rhône-Alpes region in Eastern France.

Collonges is located on the border with the Haute-Savoie department, just northeast of Fort l'Écluse in Léaz, Ain.

It is also situated 20 km (12.4 mi) southwest of Geneva, Switzerland.

[3][4]