Tinsukia District is located in the upper region of Assam with its headquarters at Tinsukia. This administrative district of Assam is bounded by Arunachal Pradesh in east-south, by Dibrugarh District in south-west and by Dhemaji District in the north, which is separated from Tinsukia District by Brahmaputra River. Major towns in Tinsukia District are Tinsukia, Digboi, Margherita, Doomdooma and Makum.

History of Tinsukia District
According to the history of Tinsukia District, the ancient name of Tinsukia was Bangmara which was initially known as Changmai Pathar. It was the capital of Muttack Kingdom. The Bangmara city was constructed by King Sarbananda Singha with the assistance of his minister Gopinath Barbaruah. The city was built at the heart of Tinsukia city. On 1st of October 1989, Tinsukia District was declared the 23rd district of the state with three main sub divisions namely Tinsukia, Magherita (Sadar), and Sadiya.

Geography of Tinsukia District
Geography of Tinsukia District includes several rivers and reserve forests. The major rivers flowing through the district are Brahmaputra River, Lohit River, Buri Dehing River and Dibru River. The major Reserve Forests of this district are Dibru-Saikhowa National Park, Tarani Reserve Forest, Buridehing Reserve Forest, Duarmara Reserve Forest, Lokhipathar Reserve Forest, Kakojan Reserve Forest, Tokowani Reserve Forest, Phillobari Reserve Forest, etc.

Economy of Tinsukia District
Tinsukia District is a principal commercial centre of the state. It is mainly an industrial district and the economy of Tinsukia District includes several prominent districts. Some of the industries of this district are IOC (AOD) at Dogboi (Oldest Refinery of Asia), Coal India Ltd. at Margherita, Coal field at Ledo, Bordoloi and Tipong, Oil India Ltd. having Oil Fields in and around Digboi, Makum areas, Bottling Plant at Goponari, Hindustan Liver Ltd. Cosmetic Industry and more. Tinsukia District produces generous amount of tea, oranges and rice.

Culture of Tinsukia District
Tinsukia District is rich in Sericulture and Handloom activities particularly amongst the prominent tribal communities such as Phakyal, Tangsa, Jemi Naga, Karbi, etc. The Traditional dresses of the people are unique in nature. The "Golden Thread" or Muga culture is very popular in this district.

Tourism in Tinsukia District
Tourism in Tinsukia District offers some amazing sightseeing options to the people coming from different parts of the world. The major tourist attractions of this place are Bherjan-Borjan-Padumoni Wildlife Sanctuary, Dibru-Saikhowa National Park, Bell Temple, Margherita, Rukmini Island and more.