ECOWAS stands for the Economic Community of West African States. It is a regional organization made up of 15 countries in West Africa. These countries work together to promote economic integration and cooperation among their member states. The 15 countries that are part of ECOWAS are: Benin, Burkina Faso, Cape Verde, Côte d'Ivoire, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Niger, Nigeria, Senegal, Sierra Leone, and Togo.