Nigeria
- Capital city: Abuja
Nigeria, officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf of Guinea to the south in the Atlantic Ocean. It covers an area of 923,769 square kilometres (356,669 sq mi); with a population of over 230 million, it is the most populous country in Africa, and the world’s sixth-most populous country.