Ghana, officially the Republic of Ghana, is a country in West Africa. It is situated with the Gulf of Guinea and the Atlantic Ocean to the south, and shares borders with Côte d'Ivoire to the west, Burkina Faso to the north, and Togo to the east. Ghana covers an area of 239,567 km2 (92,497 sq mi), spanning diverse ecologies, from coastal savannas to tropical rainforests. With over 35 million inhabitants, Ghana is ranked thirteenth-most populous country in Africa, and the second-most populous country in West Africa. The capital and largest city is Accra.