Lake Chad Lake Chad is a freshwater lake located in the Sahelian zone of west-central Africa. It is located in the interior basin which used to be occupied by a much larger ancient sea sometimes called Mega Chad. The lake is historically ranked as one of the largest lakes in Africa. However, its surface area varies by season and as well as from year to year. Lake Chad is mainly in the far west of Chad, bordering on northeastern Nigeria. The Chari River, fed by its tributary the Logone, provides over 90% of the lake's water, with a small amount coming from
Niger in 2011 that were judged internationally as free and fair. Following the adoption of the newest constitution of 2010 and the presidential elections, Mahamadou Issoufou was elected as the first president of the Seventh Republic. Niger is a landlocked nation in West Africa located along the border between the Sahara and Sub-Saharan regions. 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. Niger lies between latitudes 11° and 24°N, and longitudes 0° and 16°E. Niger's area is of which is water. This makes