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.