The city is located in Kimba Payam, Morobo County, Central Equatoria State, in extreme southwestern South Sudan.

[1] Kaya is located approximately 78 kilometres (48 mi), by road, southeast of Yei the nearest large city.

Uganda's energy minister Simon D'Ujanga said "400 kilo-volts of power will be supplied to the towns of Kaya and Nimule to boost socio-economic activities in the border areas".

It was financed by the United Nations Human Settlements Programme and the World Food Program.

The city is served by a branch of Equity Bank South Sudan Limited.