Niger, is a country in West Africa. It is a unitary state bordered by Libya to the north-east, Chad to the east, Nigeria to the south, Benin and Burkina Faso to the south-west, Mali to the west, and Algeria to the north-west. It covers a land area of almost 1.27 million km2 (490,000 sq mi), making it the largest landlocked country in West Africa and the second-largest landlocked nation in Africa behind Chad. Over 80% of its land area lies in the Sahara. Its predominantly Muslim population of about 25 million lives mostly in clusters in the south and west of the country. The capital Niamey is located in Niger’s south-west corner along the namesake Niger River.