The City of Asonsoi is located on the Gondwana rocks, in the midst of 2 famous rivers namely; the Damodar River and the Ajoy River. A small rivulet, Nunia, flows past the City while another river called the Barakar, connects to the river Damodar near Disergarh. To the north of Asansol lie both the Dumka and Birbhum District; and the Dhanbod District lies on the western part of City. The Durgapur sub-division of Burdwan District is situated in the eastern side. To the south ties the Purulia and Bankura District in the valley of river Damodar.
