Dibrugarh District with only one sub-division is located in the eastern part of Assam. This district is bounded by Dhemaji District and a part of Lakhimpur district in the north, part of Sibsagar and Arunachal Pradesh in the south, Tinsukia District in the East and Sibsagar District in the West. Brahmaputra River flows in the north of the district. The headquarters of this administrative district of Assam are situated at Dibrugarh. This district covers a total area of 3381 sq kms. The name of Dibrugarh District was derived from Dibarumukh. It was a renowned military camp of Ahoms during the war between Ahoms and Chutiyas. Previously, Dibrugarh was the headquarters of unbroken Lakhimpur District of the state. The major languages spoken in this district are Assamese Language, Hindi Language and Bengali Language.

Geography of Dibrugarh District
Geographically, Dibrugarh District is described as is a plain district of Assam. Brahmaputra River flows throughout the North Western boundary of the district. The only tributary falling at Brahmaputra in the district is Buridihing tributary which divided the district from East to West. It touches the town Naharkatia in the East; Khowang in the middle and at the last part of its course forms the boundary line between Dibrugarh and Sibsagar districts. The entire land is flat with gradual slops scattered throughout. The soil of Dibrugarh District is mainly fertile alluvial soil.

Administration of Dibrugarh District
Administrative set up of Dibrugarh District is separated into villages, seven blocks, and 93 Gaon Panchayats and one Zilla Parishad. The major towns of Dibrugarh District are Dibrugarh, Chabua, Naharkatia, Duliajan and Digboi. The chief revenue circles are Dibrugarh East, Dibrugarh West, Tengakhat, Naharkatia, Chabua, Tingkhong, and Moran Town.

Economy of Dibrugarh District
Oil and Tea are the major industries and revenue earners of Dibrugarh District. Tea plantations and tea industries surround the entire region. Interestingly, some of the tea gardens of this district are over 100 years old. The headquarters of the Oil India Limited is located at Duliajan, at a distance of around 50 kms from Dibrugarh town. Moreover, the major percentage of the total population is engaged in farming of rice, sugar-cane, pulses, and fish farming. Further, several coal mining as well as petroleum production industries are also located in this district.

Dibrugarh District also has proper education system and this district is well connected by railway, airway, roadway as well as waterway.