Nimba County is a county in the northeastern Liberia and shares borders with the Republic of Côte d’Ivoire in the East and the Republic of Guinea in the Northeast. One of 15 counties that comprise the first-level of administrative divisionin the nation, the county has six statutory districts. Sanniquellie serves as the capital with the area of the county measuring 11,551 square kilometres (4,460 sq mi), the largest in the nation. Ganta is the most populous city in Nimba County. As of the 2008 Census, it had a population of 462,026, making it the second most populous county in Liberia.
Named after Neinbaa Tohn Mountain, the tallest mountain in Liberia, Nimba is also bordered by Bong and Grand Bassa counties to the west, Rivercess County to the southwest, and Grand Gedeh County to the southeast. The northern and northeastern parts of Nimba borders the nation of Guinea, while the northeast lies along the border of Côte d’Ivoire.