Ziro is a Sub-District (Tehsil/Block/Mandal) in the Lower Subansiri District of Arunachal Pradesh. As par Census 2011 information the sub-district code of Ziro is 01695. There are about 8 sub-districts in Lower Subansiri and Ziro is one of them. Dollungmukh, Kamporijo, Old Ziro, Pistana, Raga, Yachuli, Yazali etc. are other sub-districts in Lower Subansiri.There are about 143 villages in Ziro sub-district, which you can browse from villages list.