Castellane is a commune in the Alpes-de-Haute-Provence department in southeastern France. With about 1,600 inhabitants, Castellane has the distinction of being the least-populated sub-prefecture of France.
Its inhabitants are referred to as Castellanais.
Wikipedia https://en.wikipedia.org/wiki/Castellane
Official Website http://www.mairie-castellane.fr/
Coordinates 43°50'46.384" N 6°30'47.453" E