East Kameng district is one of districts of Arunachal Pradesh state in northeastern, India. It shares an international border with China in the north and district borders with West Kameng district to the west, Pakke-Kessang district to the south, Kurung Kumey district to the east, Papum Pare district to the southeast. Pakke-Kessang district was bifurcated from East Kameng district on 1 December 2018.

West Kameng is a district of Arunachal Pradesh in northeastern India. It accounts for 8.86% of the total area of the state. The name is derived from the Kameng river, a tributary of the Brahmaputra, that flows through the district.