Ambala is a Sub-District (Tehsil/Block/Mandal) in the Ambala District of Haryana. As par Census 2011 information the sub-district code of Ambala is 00359. There are about 3 sub-districts in Ambala and Ambala is one of them. Barara, Naraingarh etc. are other sub-districts in Ambala.There are about 171 villages in Ambala sub-district, which you can browse from villages list.