Where French is an official language:
* France
* Canada (Quebec and other provinces)
* Belgium
* Switzerland
* Luxembourg
* Monaco
* Andorra
* Haiti
* Senegal
* Ivory Coast
* Cameroon
* Madagascar
* Djibouti
* Benin
* Burkina Faso
* Burundi
* Central African Republic
* Chad
* Comoros
* Congo, Democratic Republic of the
* Congo, Republic of the
* Côte d'Ivoire
* Gabon
* Guinea
* Guinea-Bissau
* Mali
* Niger
* Rwanda
* Togo
* Vanuatu
Where French is widely spoken:
* United States (Louisiana and some other areas)
* Vietnam (some older generations)
* Morocco (some areas)
* Algeria (some areas)
* Tunisia (some areas)
* Lebanon (some areas)
* Syria (some areas)
This is not an exhaustive list, but it gives you a good starting point!