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. The administrative set up of Dibrugarh District is separated into villages, 7 blocks, and 93 Gaon Panchayats and one Zilla Parishad. The major towns of Dibrugarh District are Dibrugarh, Chabua, Naharkatia, Duliajan and Digboi Oil Town. The chief revenue circles are Dibrugarh East, Dibrugarh West, Tengakhat, Naharkatia, Chabua, Tingkhong, and Moran Town

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.

Demography of Dhibrugarh District
According to thePopulation Census in 2011, Dibrugarh District had a population of 1,327,748 of which male and female were 680,114 and 647,634 respectively. Dibrugarh District population constituted 4.26 percent of total population of Assam. The population density of Dibrugarh district is 393 people per sq. km. The Dibrugarh district administers 3,381 square kilometres of areas. The average literacy rate of Dibrugarh was 76.22 percent. The male and female literacy rates were 82.59 percent and 69.52 percent respectively. The total literate in Dibrugarh District were 893,908. The males and females were 496,362 and 397,546 respectively.

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, sugarcane, 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.