Chayangtajo 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 Chayangtajo is 01590. There are about 13 sub-districts in East Kameng and Chayangtajo is one of them. Bameng, Dissing Passo, Gyawe Purang, Khenewa, Lada, Pakke Kessang, Pipu Dipu, Pizirang, Richukrong, Sawa, Seijosa, Seppa etc. are other sub-districts in East Kameng.There are about 35 villages in Chayangtajo sub-district, which you can browse from villages list.