This monetary union uses the abbreviated ZF after its French name, ‘Zone Franc.’ A union of Benin, Burkina Faso, Cameroon, Central African Republic, Chad, Comoros, Congo, Equatorial Guinea, France, Gabon, Cote d’Ivoire, Mali, Niger, Senegal, and Togo. These French-speaking countries have linked economies to the French franc at a fixed rate of exchange .