Seppa is a Sub-District (Tehsil/Block/Mandal) in the East Kameng District of Arunachal Pradesh. As par Census 2011 information the sub-district code of Seppa is 01584. There are about 13 sub-districts in East Kameng and Seppa is one of them. Bameng, Chayangtajo, Dissing Passo, Gyawe Purang, Khenewa, Lada, Pakke Kessang, Pipu Dipu, Pizirang, Richukrong, Sawa, Seijosa etc. are other sub-districts in East Kameng.There are about 54 villages in Seppa sub-district, which you can browse from villages list.