Ketu South Municipal with its Administrative Capital Denu forms part of the one twenty five (25) Municipalities and Districts in the Volta Region of Ghana. The Ketu South Municipal established by Legislative Instrument (LI) 1469 of 1989. The Municipal shares boundaries with Ketu North District to the north, the Republic of Togo to the east , the Gulf of Guinea to the south and to the west with Keta Municipal. The municipality serves as the Eastern Gateway to Ghana where continuous cross-border trading activities occurs.
Agricultural activities in the Ketu South Municipality and Akatsi South District of the Volta Region are set to be revamped in order to improve yield, following the commissioning of an irrigation project there.
Azansu Kwaku, aka Voyo and Linus Ashitey, two out of the seven who were rearrested after escaping from cell at Denu in the Ketu South Municipality in the Volta Region have been convicted to 3years imprisonment.