Canton of Gex
| Gex | |
|---|---|
| Country | France | 
| Region | Auvergne-Rhône-Alpes | 
| Department | Ain | 
| No. of communes | 7 | 
| Seat | Gex | 
| Area | 98.27 km2 (37.94 sq mi) | 
| Population  (2022) | 33,936 | 
| • Density | 345/km2 (890/sq mi) | 
| INSEE code | 01 09 | 
The canton of Gex is an administrative division in eastern France. At the French canton reorganisation which came into effect in March 2015, the canton was reduced from 11 to 7 communes: