Sanniquellie is a city and the capital of Nimba County and Sanniquellie-Mah District, Liberia. It is located in the north-east of the country at coordinates 07°21'49" N 008°42'40" W. The average altitude of the city is 420 metres above the sea level. As of the 2008 national census, the population stood at 11,415. The most represented tribes are Mano, Gio and Mandingo.