Bihar Bihar Bihar (; ) is an Indian state considered to be a part of Eastern and Northern India. It is the thirteenth-largest Indian state, with an area of . The third-largest state by population, it is contiguous with Uttar Pradesh to its west, Nepal to the north, the northern part of West Bengal to the east, with Jharkhand to the south. The Bihar plain is split by the river Ganges, which flows from west to east. Bihar is an amalgamation of three distinct regions: Magadh, Mithila, and Bhojpur. On 15 November 2000, southern Bihar was ceded to form the new
Migrated provinces, commanderies and counties Migrated provinces, commanderies and counties The migrated provinces, commanderies and counties () were consequence of a special administrative regionalization called qiao zhi () during the Six dynasties era of China. The Shahumyan Province is a modern analogue of their alternative local government, in their infancy. With adoption of tu duan and merger, these nominal subdivisions transitioned to the actual administrative divisions. Since the uprising of the five barbarians, a large number of northern refugees migrated south. These migrants who called "qiao ren (, literally the migrated people)" were the base of the migrated provinces, commanderies, and counties. Bearing northern place