The 10 communes of historic Brittany[26] with the highest total population, listed with their percentages of pupils in bilingual primary education.
Reference 1: Percentage (2008)[24] and Population (2007)[25].
Reference 2: Nantes (Loire-Atlantique), Rennes (Ille-et-Vilaine), Brest (Finistère), Saint-Nazaire (Loire-Atlantique), Quimper (Finistère), Lorient (Morbihan), Vannes (Morbihan), Saint-Malo (Ille-et-Vilaine), Saint-Brieuc (Côtes-d'Armor) and Saint-Herblain (Loire-Atlantique).
Source: http://en.wikipedia.org/wiki/Breton_language
Reference 2: Nantes (Loire-Atlantique), Rennes (Ille-et-Vilaine), Brest (Finistère), Saint-Nazaire (Loire-Atlantique), Quimper (Finistère), Lorient (Morbihan), Vannes (Morbihan), Saint-Malo (Ille-et-Vilaine), Saint-Brieuc (Côtes-d'Armor) and Saint-Herblain (Loire-Atlantique).
Source: http://en.wikipedia.org/wiki/Breton_language