Niger, officially the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River. It borders Nigeria and Benin to the south, Burkina Faso and Mali to the west, Algeria and Libya to the north and Chad to the east. Its size is almost 1,270,000 km², making it the largest nation in West Africa, with a population of just under 13,300,000, mostly clustered in the far south and west of the nation. The capital city is Niamey.