Una is a Sub-District (Tehsil/Block/Mandal) in the Una District of Himachal Pradesh. As par Census 2011 information the sub-district code of Una is 00150. There are about 5 sub-districts in Una and Una is one of them. Amb, Bangana, Bharwain, Haroli etc. are other sub-districts in Una.There are about 140 villages in Una sub-district, which you can browse from villages list.