Arki is a Sub-District (Tehsil/Block/Mandal) in the Solan District of Himachal Pradesh. As par Census 2011 information the sub-district code of Arki is 00158. There are about 9 sub-districts in Solan and Arki is one of them. Baddi, Darlaghat, Kandaghat, Kasauli, Krishangarh, Nalagarh, Ramshahr, Solan etc. are other sub-districts in Solan.There are about 318 villages in Arki sub-district, which you can browse from villages list.