Gazipur Sadar Upazila (Gazipur district) with an area of 446.38 sq km, is surrounded by Sreepur upazila on the north,Savar upazila and Uttara thana and Rupganj upazila on the south, Kaliganj (Gazipur) and Rupganj upazilas on the east,Kaliakair and Savar upazilas on the west. 

Main rivers are Turag,Balu, Labandaha and Salda. Tongi Khal is noted. 

Gazipur (Town) consists of 9 wards and 31 mahallas. The area of the town is 49.32 sq km. The town has a population of 123531; male 52.52%, female 47.48%; density of population is 2505 per sq km. 

Various establishments such as Bangladesh Rice Research Institute (BRRI), Bangladesh Agricultural Research Institute (BARI), CERDI, Seed Certifying Agency, Security Printing, Machine Tools Factory, Bangladesh Ordnance Factory, Diesel Plant, Bangladesh Institute of Technology (BIT), BRAC Dairy Farm, Cremation Ghat etc. are located here. 

Administration Gazipur upazila was established in 1983 consisting of Joydebpur and Tongi police stations. It consists of 2 municipalities, 21 wards, 67 mahallas 8 union parishads, 189 mouzas and 244 villages. Archaeological heritage Bhawal copper plate, Tongi Meerjumla Bridge, Bhawal Palace, Joydebpur Cremation, etc.

Historical events Joydeb Narayan Roy Chowdhury, the zamindar of Bhawal built his residence at Pirabari on the southern side of the river Chilai and named it Joydebpur. Kalinarayan Roy Chowdhury got the title of 'Raja' in 1878 and the residence of the zamindars of Joydebpur became to be known as the 'Rajbari' (Royal Palace). Three persons were killed in a resistance movement at Tangi on 4 March 1971. The Pak army killed Hurmat, Manu Khalifa (tailor), Niamat and Kanu Mia at Joydebpur and Chandana Chowrasta on 19 March 1971. 

Marks of the War of Liberation Mass graves and killing sites: pond area near the Joydebpur Palace, Gachha School Compound and Tongi Shahid Memorial School compound; memorials: 'Jagrata Chourangi', (the first sculpture commemorating the War of Liberation at the turn of the Chandana Chowrasta) and in front of the Deputy Commissioner's Office (Joydebpur Palace). 

Religions institutions Mosque 835, temple 33, church 4, dargah 2. 

Population 588492; male 53.83%, female 46.17%; Muslim 92.46%, Hindu 7.04%, Christian 0.35%, Buddhist and others 0.15%.

Literacy and educational Institutions Average literacy 43%; male 51.3%, female 34.7%. 

Educational institutions: university 3, technical institution 2, agricultural institution 4, government college 3, non-government college 1, government secondary school 2, non-government secondary school 62, junior school 6, government primary school 126, non-government primary school 41, primary teacher's training institute 1, telecommunication staff college 1, agricultural training institute 1, postal academy 1. 

Newspapers and periodicals Dainik Ganamukh, weekly Gazipur Barta, Ajker Janata, Gazir Desh, Bhawal, Gazipur Sangbad, Researcher Journal. 

Cultural organisations Club 6, library 68, mosque based library 107, museum 3, theatre stage1, theatre group 5, literary society 1, women's association 3, women's co operative society 89, cinema hall 10, community centre 10, shilpakala academy 1, shishu academy 1, dakbungalow 2, circuit house 1, park 1, (Bhawal National Park), Biswa Ijtema Ground 1, Nuhash Chalachehitra Palli (film shooting location) 1.

Main occupations Agriculture 26.63%, agricultural labourer 7.68%, wage labourer 2.94%, industry 1.41%, commerce 14.71%, transport 4.73%, construction 1.79%, service 28.31%, others 11.8%. 

Land use Total land 41300 hectares; cultivable land 30645 hectares, fallow land 1140 hectares, forests 5052 hectares; single crop 49.3%, double crop 26.2% and treble crop land 24.5%; land under irrigation 42%. 

Land control Landless 21.1%, marginal 49.4%, intermediate 24.3%, and 19.20% rich; per capita land 0.05 hectares. 

Value of land Market value of land of first grade is Tk. 12500 to Tk. 25000 per 0.01 hectare. 

Main crops Paddy, jute, mustard, turmeric. Extinct and nearly extinct crops Indigo, aus paddy, aman paddy. 

Main fruits Jackfruit, pineapple, litchi, mango, black berry, guava, papaya, palm, boroi, jambura, wood apple, tamarind. Fishery, dairy and poultries Fishery 7, poultry 3815, dairy 80.

Communication facilities Roads: pucca 245 km, semi pucca 290 km, mud road 377 km; railways 45.1 km; waterways 42 nautical mile. 

Traditional transport Palanquin, country boat, konda (a kind of boat made of palm tree), bajra boat, horse carriage, buffalo cart. These means of transport (except country boat) are extinct or nearly extinct. 

Manufactories Aluminium factory, textile, pharmaceutical industry, cosmetics industry, machine tools factory, diesel plant, security printing press, ordnance factory, ceramics factory, packaging industry, brick field and garments industry; BSIC industrial area 2 (tongi and konabari). 

Cottage Industries Weaving, goldsmith, blacksmith, potteries, bamboo and cane work, tailoring, bidi, woodwork. 

Hats, bazars and fairs Hats and bazars are 36, most noted of which are Tongi, Pubail, Mirzapur, Kasimpur, Joydebpur; Baruni Mela (Kaddar) and Rath Mela (Joydebpur) are notable.

Main exports Jackfruit, pineapple, vegetables, cosmetics, foot ware, electric and electronic goods, medicine, ready made garments, bidi, cigarette, mosquito coil. 

NGO activities BRAC, ASA, CARE, Hunger, Proshikha , World Vision, ABC, Dialogue, Swanirvar Bangladesh (Self reliant Bangladesh), Pidim. 

Health centres Zila sadar hospital 1, upazila health centre 1, health and family welfare centre 6, satellite clinic 5.