Nkwanta South Municipal  is one of the eight districts of the Oti Region. It is located in the northern - most part of the Region. It lies between latitudes 7 30° and 8 45° North and longitude 0 10° and 0 45° East. The Municipal is bounded to the North by the Nanumba District of the Northern Region, to the South by the Kadjebi District, to the East by the Republic of Togo and to the West by the newly created Krachi East Municipal. Nkwanta South Municipal was carved out of Kete Krachi District in 1989. The Municipality is the largest in the Volta Region in terms of land area. covering a total land area of 4530 sq kms., which represents about 22.02 % of the totals land area of the Volta Region,which is about 20570 sq. kms.