Golaghat, the 3rd largest subdivision of the Indian state of Assam, later elevated to the position of a full–fledged district headquarter on 5 October 1987, is a city and a municipality and the seat of administrative operations of Golaghat district, besides being a twin city to Jorhat which is about 55 km away. It is one of the oldest urban areas in Assam that recently featured on the Smart Cities nominations list, along with Guwahati and four other prominent urban areas of the state; although losing out to Guwahati at the final stage. The Dhansiri, one of the tributaries of the Brahmaputra, passes through Golaghat and is the primary water source for its citizens.