Siliguri, also known as Shiliguri, is a major tier-II city in West Bengal. It forms the Twin Cities with the neighbouring city 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 in the foothills of the Himalayas. Siliguri is the third largest urban agglomeration in West Bengal, after Kolkata and Asansol.