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
United Provinces of Agra and Oudh eastern; other boundaries are artificial. According to the District surveys the areas of the two Provinces are, in square miles: Agra, 83,198; Oudh, 23,966; total, 107,164.9044 Including some river-beds which form District boundaries and are excluded from the District details,041 the total area amounts to . The area of the two Native States in the Provinces (Rampur and Tehri) is more. A Presidency of Agra was first formed in 1834, up to which date the area then separated had been included in the Presidency of Bengal, being sometimes called the Western Provinces. The United Provinces included four distinct tracts of