Dimapur is a city in Nagaland, India. It is the most populous city in the state with an estimated population of about 420,481. The city is the main gateway and commercial centre of Nagaland.
Located near the border with Assam along the banks of the Dhansiri River, Dimapur is the only plains tract of hilly Nagaland and also has the only railway station and airport in the state for connectivity and economic activity.