Siliguri is a major tier-II city in West Bengal. It forms "Twin Cities" with the neighbouring district capital of Jalpaiguri. The city spans areas of the Darjeeling and Jalpaiguri districts in the Indian state of West Bengal. Known as the "Gateway of Northeast India", Siliguri is popular for three Ts: tea, timber and tourism. It is located on the banks of the Mahananda River and the Teesta River at the foothills of the Himalayas. Siliguri is the third largest urban agglomeration in West Bengal, after Kolkata and Asansol.

Jalpaiguri is a city in the Indian state of West Bengal. It is the headquarters of the Jalpaiguri district as well as of the Jalpaiguri division of West Bengal, covering the jurisdiction of the five districts of North Bengal. The city is located on the banks of the Teesta River which is the second largest river in West Bengal after the Ganges, on the foothills of the Himalayas. The city is home to the circuit bench of the Kolkata High Court, the other seat being at Port Blair in the Andaman and Nicobar Islands. Jalpaiguri features the Jalpaiguri Government Engineering College, the second campus of the University of North Bengal and the Biswa Bangla Krirangan/ Jalpaiguri Sports Village. It lies 35 km (22 mi) east of its twin city, Siliguri. The merging of the two cities makes it the largest metropolis of the region.