Simdega district is one of the 24 districts of Jharkhand state, India, and Simdega town is the administrative headquarters of this district. As of 2011, this district is the least densely populated district and the third least populous district of Jharkhand after Lohardaga and Khunti districts. Simdega District was carved out from erstwhile Gumla district on 30 April 2001. It is currently a part of the Red Corridor.

Bansjore block is a CD block that forms an administrative division in the Simdega subdivision of Simdega district, in the Indian state of Jharkhand.