Nanpara was an important frontier estate, bordering Nepal territory in the Bahraich district of Oudh. Of the 439 villages, 438 were in the Bahriach district and one in the Barabanki district. It comprised an area of 468 sq miles, or about the same area of the then former German principality of Lippe. In 1914–15 The gross rental of the estate amounted to over rupees 12,00,000 and the government demanded land revenue and cesses of rupees 2,80,000. Taking a population of 350 person per sq miles was estimated that was the district average in the census of 1911 the estate contained a population of over 154,000.