Nabiganj Upazila (Habiganj district) with an area of 439.6 sq km, is surrounded by Derai and Jagonathpur upazilas on the north, Habiganj Sadar and bahubal upazilas on the south, Sreemangal, Maulavibazar and Balaganj upazilas on the east, Baniachang upazila on the west. 

Main rivers are Kushiyara and Barak; haors 7. 

Nabiganj (Town) consists of 9 wards and 20 mahallas. It has an area of 2.93 sq km. The town has a population of 19243; male 51.36%, female 48.64%. Density of population is 6568 per sq km. Literacy rate among the town people is 26.4%. The town has one dakbungalow. 

Administration Nabiganj thana was established in 1839 and was turned into an upazila in 1983. It consists of one municipality, 13 union parishads, 218 mouzas and 359 villages. 

Marks of War of Liberation Mass grave 1, memorial monument 1. Population 246933; male 50.27%, female 49.73%; Muslim 70%, Hindu 25% and others 5%. 

Religious institutions Mosque 321, temple 27, tomb 6 and sacred place 1. 

Literacy and educational institutions Average literacy 26.4%; male 30.3% and female 22.5%. 

Educational institutions: college 2, government high school 4, non-government high school 6, government primary school 148, non-government primary school 19, madrasa 22, satellite school 3. 

Noted educational institutions: Nabiganj JK High School (1916), Dinarpur High School (1921).

Cultural organisations Club 15, public library 3, theatre group 1, literary society 9, women's society 7. 

Main occupations Agriculture 34.02%, agricultural labourer 28.14%, wage labourer 6.70%, commerce 7.39%, service 3.43%, fishing 6.74%, others 13.58%. 

Land use Total cultivable land 26311.21 hectares, fallow land 647.51 hectares; single crop 83.97%, double crop 14.23% and treble crop land 1.8%. 

Main crops Paddy, potato, jute, mustard, bean and chilli. Extinct or nearly extinct crops Linseed, sweet potato and sesame. 

Main fruits Mango, jackfruit, papaya, coconut, banana, lemon, pineapple and black berry. 

Fisheries, dairies, poultries Dairy 10, poultry 23 and fishery 20. 

Traditional transport Palanquin, horse carriage and bullock cart. These means of transport are either extinct or nearly extinct. 

Manufactories Chira Muri mill 4, rice mill 19, dry fish processing 3, flour mill 4, ice factory 3. 

Cottage industries Weaving 15, bamboo work 350, goldsmith 20, blacksmith 20, potteries 18, tailoring 100, wood work 180 and welding 8. 

Main hats, bazars and fairs Hats and bazars are 33, fair 4, most noted of which are Nabiganj, Enayetganj and Baruni Mela Alampur. 

Main exports Paddy, banana, mango and oil. NGO activities Operationally important ngos are Brac, ASA, Grameen Bank. 

Health centres Upazila health complex 1, family planning centre 3, satellite clinic 5.