* Central Africa:
* Cameroon
* Central African Republic
* Chad
* Congo, Democratic Republic of the
* Congo, Republic of the
* Gabon
* West Africa:
* Benin
* Burkina Faso
* Côte d'Ivoire
* Guinea
* Mali
* Niger
* Senegal
* Togo
* Eastern Africa:
* Burundi
* Rwanda
* Djibouti
* Southern Africa:
* Madagascar (although Malagasy is the official language, French is widely spoken)
It's important to note that while French is an official language in these countries, many other languages are also spoken.