Kundu River basin or catchment area is called Renadu i.e., River Kundu flowing area is called as Renadu. This region was ruled by Telugu Chodas of Renadu and Pottapi from late 5th century CE to 11th century CE.

Kundu River starts at Uppalapadu Village of Orvakal Mandal in Nandyala District. It flows through Orvakal, Gadivemula, Nandyal, Koilkuntla, Uyyalawada, areas of Nandyal district and Jammalamadugu, Proddatur areas of Kadapa district and merge with Penna River near Kamalapuram, Kadapa District.

The heart of Renadu is an area containing the lands of Nossam, Uyyalawada, Koilkuntla, Owk, Jammalamadugu, and Proddatur which now form part of the Nandyal district and Kadapa district in the Indian state of Andhra Pradesh.