Cotonou is the largest city in Benin and serves as the economic center of the country. Synonyms for Cotonou are limited, but some may include: Porto-Novo, the capital city of Benin which is located nearby; the Atlantic coast, as Cotonou is situated on the Gulf of Guinea; or even just Benin itself, as the city is so closely tied to the nation. Cotonou is known for its vibrant markets, transportation hubs and nightlife, so synonyms could also include descriptors such as "bustling" or "energetic". Ultimately, when discussing Cotonou, it is best to reference its unique qualities and characteristics that set it apart from other cities in the region.