- Gagnoa is a city located in central Côte d'Ivoire, West Africa. It is the capital of the Gôh-Djiboua region and has a population of approximately 123,000 people. Gagnoa is known for its agriculture, with many residents engaged in the production of cocoa, coffee, and palm oil. The city is also home to the Nawa people, one of the indigenous groups of Côte d'Ivoire, known for their vibrant culture and traditional rituals. Gagnoa has several schools, hospitals, and markets, making it an important economic and social center in the region.