Assam starts with its south western boundary with the District Dhubri. The present Dhubri District is one of the three Civil Sub-divisions of erstwhile Goalpara district, established in 1876 during British regime. In 1879 the District head quarter was shifted from Goalpara to Dhubri.
The name Dhubri is derived from the tale of Chand Sadagar, where the main character of the story was Netai Dhubuni who used to wash her cloths on a big stone at the bank of the river Brahmaputra. This particular place had a name called ‘Netai Dhubunir Ghat’. Another story of origin of name Dhubri is there, according to Bodo-Kacharis, the word is of Bodo origin and derived from Dubri, a kind of grass.
In the year 1983 Goalpara district was divided into four separate districts and Dhubri is one of those. Covering an area of 2176 Sq. Kms. including forests, riverine, hills etc. The district has become the most densely populated district in India with a density of 896 persons per sq. Km. (As per 2011 census). In 2016, Dhubri was divided again to form South Salmara-Mankachar District.
Dhubri is an Administrative district in Indian state of Assam. Its head quarter DhubriIt is an old town on the bank of the Brahmaputra river, with historical significance. In 1883, the town was first constituted as a Municipal Board under the British regime. It is situated about 290 kilometres west from Dispur, the state capital of Assam.
The district has a very busy river port on the bank of the river Brahmaputra, which is used for international trade with the neighbouring Bangladesh. Dhubri is called the "Land of Rivers" as it is covered three sides by Brahmaputra and Gadadhar rivers.
Dhubri District is bounded both by inter-state and international border i.e. West Bengal and Bangladesh in the west, Goalpara and Bogaigoan district of Assam in the east, Kokrajhar district in the north, South Salmara-Mankachar district and state of Meghalaya in the south. The district is located on the globe between 89.42 and 90.12 degree east longitude and 26.22 to 25.28 degree north latitude and situated at 30 meters above the sea level on an average. General topography of Dhubri district is plain with patches of small hillocks like Tokorabandha, Dudhnath, Chandardinga, Boukuamari, Boropahar, Chakrasila, etc. All these are situated in the north eastern part of the district. Mighty river Brahmaputra is flowing through this district from east to west with its tributarieslike Champabati, Gourang,Gadadhar,Gangadhar, Tipkai, Sankosh, Silai, Jinjiram, etc.