The arrondissement of Gex is an

arrondissement An arrondissement (, , ) is any of various administrative divisions of France, Belgium, Haiti, certain other Francophone countries, as well as the Netherlands. Europe France The 101 French departments are divided into 342 ''arrondissements ...

of France in the

Ain Ain (, ; frp, En) is a department in the Auvergne-Rhône-Alpes region in Eastern France. Named after the Ain river, it is bordered by the Saône and Rhône rivers. Ain is located on the country's eastern edge, on the Swiss border, where ...

department in the Auvergne-Rhône-Alpes

region In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics ( physical geography), human impact characteristics ( human geography), and the interaction of humanity an ...

. It approximately corresponds to the historical region of the Pays de Gex. It has 27

communes An intentional community is a voluntary residential community which is designed to have a high degree of social cohesion and teamwork from the start. The members of an intentional community typically hold a common social, political, relig ...

. Its population is 93,027 (2016), and its area is .

Composition

The communes of the arrondissement of Gex, and their

INSEE code The INSEE code is a numerical indexing code used by the French National Institute for Statistics and Economic Studies (INSEE) to identify various entities, including communes and '' départements''. They are also used as national identificati ...

s, are: # Cessy (01071) #

Challex Challex is a commune in the Ain department in eastern France. Population See also *Communes of the Ain department The following is a list of the 393 communes of the Ain department of France. The communes cooperate in the following ...

(01078) # Chevry (01103) # Chézery-Forens (01104) # Collonges (01109) # Crozet (01135) #

Divonne-les-Bains Divonne-les-Bains (; Arpitan: ''Digouona''), popularly known as Divonne, is a commune in the Ain department in the Auvergne-Rhône-Alpes region in Eastern France. In 2018, it had a population of 9,788. Divonne-les-Bains is a spa town situate ...

(01143) # Échenevex (01153) # Farges (01158) #

Ferney-Voltaire Ferney-Voltaire () is a commune in the Ain department in the Auvergne-Rhône-Alpes region of eastern France. It lies between the Jura Mountains and the Swiss border; it forms part of the metropolitan area of Geneva. History Ferney was first no ...

(01160) # Gex (01173) # Grilly (01180) # Léaz (01209) #

Lélex Lélex (; frp, Le Lèc) is a Communes of France, commune in the Ain Departments of France, department in eastern France. Mountain sports Lélex is known as the highest ski resort of the Jura Mountains (1680 m). Population See also *Commu ...

(01210) #

Mijoux Mijoux is a commune and village in the Ain department in eastern France. Geography The village is situated in the upper section of the narrow Valserine valley, nestled between high limestone cliffs to the south-east that form the first anticli ...

(01247) # Ornex (01281) # Péron (01288) # Pougny (01308) #

Prévessin-Moëns Prévessin-Moëns is a commune in the Ain department in eastern France, in the region of Auvergne-Rhône-Alpes. The residents of Prévessin-Moëns are known as ''Prévessinois'' or ''Prévessinoises'' (feminine). Geography The commune of ...

(01313) #

Saint-Genis-Pouilly Saint-Genis-Pouilly (; frp, Sant-Genés-Polyi) is a commune in the Ain department within the Auvergne-Rhône-Alpes region of eastern France. It is located in the Pays de Gex, at the foot of the Jura Mountains. Bordering the Swiss frontier, ...

(01354) # Saint-Jean-de-Gonville (01360) # Sauverny (01397) # Ségny (01399) # Sergy (01401) # Thoiry (01419) # Versonnex (01435) #

Vesancy Vesancy () is a commune in the Ain department in eastern France. The commune has an average elevation of above sea level. Population See also *Communes of the Ain department The following is a list of the 393 communes of the Ain depar ...

(01436)

History

The arrondissement of Gex was created in 1800, disbanded in 1926 and restored in 1933.Historique de l'Ain
/ref> At the January 2017 reorganization of the arrondissements of Ain, it lost two communes to the arrondissement of Nantua. As a result of the reorganisation of the

cantons of France The cantons of France are territorial subdivisions of the French Republic's departments and arrondissements. Apart from their role as organizational units in relation to certain aspects of the administration of public services and justice, ...

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:Populations légales 2012: 01 Ain
INSEE # Collonges #

# Gex

Pays de Gex

The Pays de Gex (literally, ''land of Gex'') was a part of the

County of Geneva The County of Geneva, largely corresponding to the later Genevois province, originated in the tenth century, in the Burgundian Kingdom of Arles (Arelat) which fell to the Holy Roman Empire in 1032. History Several nobles had held the title of a ...

during the High Middle Ages. It is notable for the fact that it changed hands between Switzerland, the Duchy of Savoy and France several times. The final decision about its political affiliation was made by the

Treaty of Paris (1815) The Treaty of Paris of 1815, also known as the Second Treaty of Paris, was signed on 20 November 1815 following the defeat and second abdication of Napoleon Bonaparte. In February, Napoleon had escaped from his exile on Elba; he entered Paris ...

, 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 the

Canton of Geneva The Canton of Geneva, officially the Republic and Canton of Geneva (french: link=no, République et canton de Genève; frp, Rèpublica et canton de Geneva; german: Republik und Kanton Genf; it, Repubblica e Cantone di Ginevra; rm, Republica e ...

References

{{Coord, 46, 19, N, 6, 04, E, source:itwiki_type:adm3rd, display=title Gex