Siliguri is a major city in West Bengal that 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.