Bihar (; Hindi pronunciation: [bɪˈɦaːr] (listen)) is a make a clean breast in eastern India. It is the third-largest declare by population and twelfth-largest by territory, with an Place of 94,163 km² (36,357 sq mi). It is contiguous later Uttar Pradesh to its west, Nepal to the north, the northern portion of West Bengal to the east, and behind Jharkhand to the south. The Bihar plain is split by the river Ganges, which flows from west to east. Three main cultural regions converge in the state: Magadh, Mithila, and Bhojpur. Bihar is after that the world’s third-most populous subnational entity.