Kishanganj is a town and district headquarter of Kishanganj district in Purnea division of Bihar state. It is part of the chicken neck of Indian map. It is located at . Main rivers of this district are Mechi, Mahananda, Kankai. it is the only tea producing district in Bihar. It's one of the most sensitive districts of India, as the borders of this district are very near to Bangladesh, touching Nepal in southeast and north to Uttar Dinajpur and Darjeeling district of West Bengal respectively
