Cameroon is a country located in Central Africa, bordered by Nigeria, Chad, the Central African Republic, Equatorial Guinea, and Gabon. The seaport of Cameroon is located in the city of Douala, which is the largest city in the country. Nigeria, Gabon, Yaounde, and Ian are all cities or countries that border Cameroon. NATIONS is a term used to refer to the people of Cameroon, who are made up of over 200 different ethnic groups.