Dimapur (/diməˈpʊər/) is the largest city and municipality in the Indian state of Nagaland. As of 2024 , the municipality had a population of 172000. The city is the main gateway and commercial centre of Nagaland. Located near the border with Assam along the banks of the Dhansiri River. Its main railway station is the second busiest station in Northeast India. Many historians explain the name 'Dimapur' as the city of the Dimasa people. The compound word is derived from the Dimasa Kachari words: di (water), ma (big), and pur (settlement).[4]