Lagos, the largest city in Nigeria, is located in West Africa and is the country's most populous city. The country of Nigeria, which has seven letters, is the answer to the crossword clue 'Lagos' Country'. Nigeria is a federal republic composed of 36 states and the Federal Capital Territory, Abuja. It is bordered by Benin, Niger, Chad, Cameroon, and the Gulf of Guinea. Nigeria is the most populous country in Africa and the seventh most populous country in the world.