Bayonne

Bayonne (Gascon "Baiona"; ; ) is a city and commune in southwestern France at the confluence of the Nive and Adour rivers, in the Pyrénées-Atlantiques department, of which it is a subprefecture.
Geography.
Bayonne has an area of and its average altitude is ; at the city hall, the altitude is .
Bayonne is surrounded by the "communes" Boucau, Tarnos (in the Landes department), Lahonce, Mouguerre, Saint-Pierre-d'Irube, Villefranque, Bassussarry and Anglet.
Population.
With a population of 47,492, Bayonne has a population density of inhabitants/km2.
The inhabitants of Bayonne are known, in French, as "Bayonnais" (women: "Bayonnaises").
Administration.
Bayonne is a "sous-préfecture" in the Pyrénées-Atlantiques department since 1800. It is also the capital of three "cantons".
Twin towns.
Bayonne is twinned with: