Banque Centrale des États de l'Afrique de l'Ouest (BCEAO) - Senegal - Senegal-based central bank for WAEMU, managing currency and regional financial stability across West Africa. Banque Centrale des États de l'Afrique de l'Ouest (BCEAO) - Senegal - Senegal-based central bank for WAEMU, managing currency and regional financial stability across West Africa. The BCEAO is the central bank of the West African Economic and Monetary Union (WAEMU). Based in Dakar, Senegal, it manages monetary policy, issues currency, and ensures financial stability across WAEMU countries.