Dharan is a sub-metropolitan city in Sunsari District of Province No. 1, Nepal. It is situated on the foothills of the Mahabharat Range in the north with its southern tip touching the edge of the Terai region at an altitude of 1148 ft (349m). The Koshi highway runs through the heart of the city thus connecting it with the provincial capital of Biratnagar as well as the Itahari junction of the east-west Mahendra highway, and the Nepal-China border of Kimathanka.