Chanasma is a Sub-District (Tehsil/Block/Mandal) in the Patan District of Gujarat. As par Census 2011 information the sub-district code of Chanasma is 03750. There are about 7 sub-districts in Patan and Chanasma is one of them. Harij, Patan, Radhanpur, Sami, Santalpur, Sidhpur etc. are other sub-districts in Patan.There are about 59 villages in Chanasma sub-district, which you can browse from villages list.