Nontron

Nontron () is a commune and a sub-prefecture of the Dordogne department in the Nouvelle-Aquitaine region, southwestern France. It is the capital of the northernmost "arrondissement" of the Dordogne department.
The "Nontronite" is a mineral (a silicate mineral) rich in iron named after Nontron.
Geography.
Nontron has an area of and its average altitude is ; at the city hall, the altitude is .
The "commune" is in the centre of the Regional Natural Park Périgord Limousin ().
Nontron is surrounded by the "communes" Le Bourdeix, Augignac, Savignac-de-Nontron, Saint-Pardoux-la-Rivière, Sceau-Saint-Angel, Saint-Martial-de-Valette and Saint-Martin-le-Pin.
Population.
The inhabitants of Nontron are known, in French, as "Nontronnais" (women: "Nontronnaises").
With a population of 3,151 (2014), Nontron has a population density of inhabitants/km2.
Evolution of the population in Nontron
Nontron forms, together with Saint-Martial-de-Valette, the urban area of Nontron with a population of 4,017 inhabitants (2013) and an area of . This urban area is the centre of the metropolitan area of Nontron, formed by 5 "communes" with a population of 4,653 inhabitants (2013) and an area of .
Administration.
Nontron is a subprefecture of the Dordogne and the capital of the "arrondissement" of Nontron.
The "commune" is the administrative centre () of the "Périgord Vert Nontronnais" canton formed by 28 "communes".
It is part of the intercommunality "Périgord Vert Nontronnais" ().