Information from: “Atlas of the World’s Languages in Danger” . Christopher Moseley (ed.) (2010) UNESCO Publishing
20 percent certain, based on the evidence available
"Rough estimate based on various sources, perhaps grossly inflated; the Ethnologue figure of 10,000 does not seem possible though." (Moseley, Christopher (ed.). 2010. Atlas of the World’s Languages in Danger, 3rd edn. Paris, UNESCO Publishing. Online version: http://www.unesco.org/culture/en/endangeredlanguages/atlas)
Departments of Corréze, Haute-Vienne, and Creuse in the Limousin region; department of Dordogne in the Aquitaine region; department of Charente in the Poitou-Charentes region.