Arcachon

Arcachon (Arcaishon in Gascon) is a commune in the Gironde department in southwestern France, Nouvelle-Aquitaine region.
It is a popular beach on the Atlantic coast southwest of Bordeaux in the Landes forest.
Geography.
The "commune" of Arcachon has an area of , and its average altitude is ; at the city hall, the altitude is .
The "commune" has to the south the La Teste de Buch "commune" and to the north the Arcachon Bay (), a bay of the Atlantic Ocean on the southwest coast of France.
Climate.
The climate of Arcachon is Marine West Coast Climate (Köppen climate classification: Cfb), with mild winters and warm summers.
Population.
The inhabitants of Arcachon are known, in French, as "Arcachonnais" (women: "Arcachonnaises").
With a population of 10,370, Arcachon has a population density of inhabitants/km2.
Evolution of the population in Dax
Administration.
Arcachon is a subprefecture of the Gironde department since December 2006 when the "arrondissement" of Arcachon was made.
Twin towns.
Arcachon is twinned with: