Purnia (also romanized as Purnea) is a city that serves as the administrative headquarters of both Purnia district and Purnia division in the Indian state of Bihar. It is the largest city in northeastern Bihar. It is nearly 300 kilometres from Patna, the capital of Bihar, as well as 171 km from Siliguri, 92 km from Bhagalpur, and 214 km from Muzaffarpur. It is 450 km from Kolkata, the capital of the adjacent state of West Bengal and the largest city in East India. Purnia district covers 3202.31 sq. kms of the state of Bihar. It is bordered by Araria district in north, Katihar and Bhagalpur district in South, Madhepura and Saharsa district in the west and West Dinajpur district of West Bengal and Kishanganj district of Bihar in east. It lies between 25 degree 13 minutes 80 seconds and 27-degree 7 minutes 59 seconds north latitude and between 86 degree 59 minutes 6 seconds and 87-degree 52 minutes 35 seconds east longitude.