Jamnagar is a Sub-District (Tehsil/Block/Mandal) in the Jamnagar District of Gujarat. As par Census 2011 information the sub-district code of Jamnagar is 03814. There are about 10 sub-districts in Jamnagar and Jamnagar is one of them. Bhanvad, Dhrol, Jamjodhpur, Jodiya, Kalavad, Kalyanpur, Khambhalia, Lalpur, Okhamandal etc. are other sub-districts in Jamnagar.There are about 103 villages in Jamnagar sub-district, which you can browse from villages list.