Sarwan is a Sub-District (Tehsil/Block/Mandal) in the Deoghar District of Jharkhand. As par Census 2011 information the sub-district code of Sarwan is 02547. There are about 10 sub-districts in Deoghar and Sarwan is one of them. Deoghar, Devipur, Karon, Madhupur, Margo Munda, Mohanpur, Palojori, Sarath, Sona Rai Tharhi etc. are other sub-districts in Deoghar.There are about 229 villages in Sarwan sub-district, which you can browse from villages list.