Grenoble (1,650,182), Saint-Nazaire (1,429,016), Bergerac (1,423,016), Pointe-Claire (966,294), and Mirabel (825,299). All major cities are majority francophone. Languages The sole official language of Quiberon is French , but English enjoys widespread use in parts of the country. In 2012, 82% of Quiberonnais citizens indicated that their primary language spoken at home