Nanumba South District is one of the sixteen districts in Northern Region, Ghana. Originally it was formerly part of the then-larger Nanumba District in 1988, until the southern part of the district was split to off to create Nanumba South District on 27 August 2004; thus the remaining part has been renamed as Nanumba North District. The district assembly is located in the eastern part of Eastern Region and has Wulensi as its capital town.