Dudunghar is a Sub-District (Tehsil/Block/Mandal) in the Tawang District of Arunachal Pradesh. As par Census 2011 information the sub-district code of Dudunghar is 01558. There are about 10 sub-districts in Tawang and Dudunghar is one of them. Bongkhar, Jang, KITPI CIRCLE, Lhou, LUMLA, MUKTO CIRCLE, TAWANG CIRCLE, Thingbu, Zemithang etc. are other sub-districts in Tawang.There are about 27 villages in Dudunghar sub-district, which you can browse from villages list.