KolahIr is a village in Tundi taluk, Dhanbad district, Jharkhand. Its LGD code is 361191 and it covers 2.562 km². Category: Rural.
Bordering villages: PokharIa, Domura, GadItundi, Lakra KhundI, RohInikund, BIranchi.
Boundary from the Survey of India village boundary database. All villages in Jharkhand