Naga Hills - Part of the complex mountain barrier on the border of India and Myanmar(Burma). A northern extension of the Arakan Yoma system, the Naga Hills reach a height of 12,552 feet (3,826 m) in Mount Saramati on the India-Myanmar frontier. The part of the range within India constituted the Naga Hills district of Assam until 1961 and since 1963 has been part of the Nagaland