Lawnu is a Sub-District (Tehsil/Block/Mandal) in the Tirap District of Arunachal Pradesh. As par Census 2011 information the sub-district code of Lawnu is 01689. There are about 11 sub-districts in Tirap and Lawnu is one of them. Dadam, Kanubari, Khonsa, Laju, Longding, Namsang, Pangchao, Pumao, Soha, Wakka etc. are other sub-districts in Tirap.There are about 17 villages in Lawnu sub-district, which you can browse from villages list.