The official language in France is French! In Bordeaux, you will mostly hear people speaking in French, but in other regions in France, it may be more diverse! The 13 regions in Metropolitan France are:
The other languages you may hear are Occitan, which can be spoken in Occitanie and other parts of Southern France; Basque, which is near the Spanish border; Breton in Brittany; Alsatian in Alsace, near the German border; Corsican in Corsica; Catalan near the Spanish border; and much more! In the overseas regions and territories it only gets more diverse. There also lots of immigrant languages! France has more than 20 regional languages still being spoken.