Kako is a Sub-District (Tehsil/Block/Mandal) in the Jehanabad District of Bihar. As par Census 2011 information the sub-district code of Kako is 01537. There are about 7 sub-districts in Jehanabad and Kako is one of them. Ghoshi, Hulasganj, Jehanabad, Makhdumpur, Modanganj, Ratni Faridpur etc. are other sub-districts in Jehanabad.There are about 96 villages in Kako sub-district, which you can browse from villages list.