Erki is a Sub-District (Tehsil/Block/Mandal) in the Khunti District of Jharkhand. As par Census 2011 information the sub-district code of Erki is 02705. There are about 6 sub-districts in Khunti and Erki is one of them. Karra, Khunti, Murhu, Rania, Torpa etc. are other sub-districts in Khunti.There are about 126 villages in Erki sub-district, which you can browse from villages list.