Occitans

The Occitans (Occitan: occitans) are a Romance-speaking Mediterranean ethnic group. They come from the historical region of Occitania (southern France, northeastern Spain and northwestern Italy).^{[1][2][3][4][5]}

Occitans

Occitans  (French) Occitans  (Occitan) Occitani  (Ligurian)
Total population
c. 17 million
Regions with significant populations
Languages
Occitan (native); French, Italian, Spanish, Catalan (as a result of language shift)
Religion
Christianity (Roman Catholicism, Protestantism)
Related ethnic groups
Catalans, French, Ligurians

Just to clarify: virtually everyone in France speaks French. Some speak another language also. Occitans is one of the traditional other languages.