Bihar (; Hindi pronunciation: [bɪˈɦaːr] (listen)) is a make a clean breast in eastern India. It is the third-largest let in by population and twelfth-largest by territory, with an Place of 94,163 km² (36,357 sq mi). It is contiguous later than Uttar Pradesh to its west, Nepal to the north, the northern allocation of West Bengal to the east, and later 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 in addition to the world’s third-most populous subnational entity.