Economic Community of West African States
ORG · 3 article mentions
The Economic Community of West African States is a regional political and economic union of twelve countries of West Africa. Collectively, the present and former members comprise an area of 5,114,162 km2 (1,974,589 sq mi) and have an estimated population of over 424.34 million.
Wikipedia: https://en.wikipedia.org/wiki/ECOWAS
Wikidata: Q193272