According to historian and geographer K. Iswara Dutt, Kammanadu consisted of the Narasaraopet, Sattenapalle, Bapatla and Ongole taluks, including the villages of the Addanki area.
Historian and geographer K. Iswara Dutt states that Kammanadu comprised the Narasaraopet, Sattenapalle, Bapatla, and Ongole taluks, along with the villages in the Addanki area.