WACH (French: Chambre de Cooperation de l'Afrique de l'Ouest, CCAO)
provides settlement of payments services among central bank and other
monetary authorities in West Africa. WACH was established in 1975 (began
operations in 1976); headquarters are in Freetown, Sierra Leone.
Membership includes the Central Bank of West African States (representing
Benin, Burkina Faso, C“te d'Ivoire, Mali, Niger, Senegal, and Togo) as well
as The Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mauritania, Nigeria,
and Sierra Leone.

The following video provides you with the correct English pronunciation of the word "West African Clearing House", to help you become a better English speaker.