Koya is a Sub-District (Tehsil/Block/Mandal) in the Kamrup District of Assam. As par Census 2011 information the sub-district code of Koya is 02117. There are about 12 sub-districts in Kamrup and Koya is one of them. Boko, Chamaria, Chhaygaon, Goreswar, Goroimari, Hajo, Kamalpur, Nagarbera, North Guwahati, Palasbari, Rangia etc. are other sub-districts in Kamrup.There are about 28 villages in Koya sub-district, which you can browse from villages list.