Gex | |
|---|---|
 Location within the region Auvergne-Rhône-Alpes | |
| Country | France |
| Region | Auvergne-Rhône-Alpes |
| Department | Ain |
| No. of communes | 27 |
| Subprefecture | Gex |
Area | 404.9 km2 (156.3 sq mi) |
| Population (2023)[1] | 107,091 |
| • Density | 264.5/km2 (685.0/sq mi) |
| INSEE code | 013 |
Thearrondissement of Gex is anarrondissement ofFrance in theAindepartment in theAuvergne-Rhône-Alpesregion. It approximately corresponds to the historical region of thePays de Gex. It has 27communes.[2] Its population is 102,027 (2021), and its area is 404.9 km2 (156.3 sq mi).[3]
The communes of the arrondissement of Gex, and theirINSEE codes, are:[2]
The arrondissement of Gex was created in 1800, disbanded in 1926 and restored in 1933.[4] At the January 2017 reorganization of the arrondissements of Ain, it lost two communes to thearrondissement of Nantua.[5]
As a result of the reorganisation of thecantons of France which came into effect in 2015, the borders of the cantons are no longer related to the borders of the arrondissements. The cantons of the arrondissement of Gex were, as of January 2015:[6]
The Pays de Gex (literally,land of Gex) was a part of theCounty of Geneva during the High Middle Ages. It is notable for the fact that it changed hands betweenSwitzerland, theDuchy of Savoy and France several times. The final decision about its political affiliation was made by theTreaty of Paris (1815), which split it between France and Switzerland. The French part is now the Arrondissement of Gex, while the Swiss part is now the northwestern part of theCanton of Geneva.
