Mirzaganj Upazila (Patuakhali district) with an area of 175.53 sq km, is surrounded by Bakerganj upazila on the north, Barguna Sadar upazila on the south, the Rajganj river and Patuakhali Sadar upazila on the east, Betagi upazila on the west. 

Main rivers are the Rajganj, Chankhali, Srimanta, Subidkhali and Paira. 

Mirzaganj (Town) consists of 5 mouzas with an area of 17.61 sq km. It has a population of 17663; male 52.46%, female 47.54%. The density of population is 1003 per sq km. The town has one dakbungalow. 

Administration Mirzaganj thana was established in 1812 and was turned into an upazila in 1983. It consists of 6 union parishads, 68 mouzas and 72 villages. 

Archaeological heritage and relics Single domed Shahi Mosque at Masjidbaria (1710s). 

Historical events At the initial stage of the War of Liberation in 1971 a large number of youths were given military training in the training centre at village Deuli of this upazila. In an encounter between the Pak army and the local freedom fighters on the outskirts of Mirzaganj 32 freedom fighters lost their lives causing heavy casualty on enemy side. 

Population 110763; male 50.06%, female 49.94%; Muslim 93%, Hindu 6.8%, others 0.2%. 

Religious institutions Mosque 395, temple 10, dargah 2, tomb 4. Notable religious institutions: Upazila Central Jami Mosque, Dargah Sharif Jami Mosque, Chaita Darbar Sharif Jami Mosque, Kalibari Mandir, Kanthaltali Radhagovinda Mandir, Tomb of Yaruddin Khalifa.

Literacy and educational institutions Average literacy 42.1%; male 48.6%, female 35.6%. 

Educational institutions: college 1, high school 26, primary school (government) 64, primary school (non-government) 43, satellite school 4. Old institutions: Subid-khali Government Primary School (1940), Kanthaltali Government Primary School (1924), Basonda Government Primary School (1934), Subid-khali Pilot High School (1934). 

Cultural organisations Rural club 15, public library 1, cinema hall 1. 

Main occupations Agriculture 57.84%, fishing 1.43%, agricultural labourer 10.77%, wage labourer 3.73%, construction 1.11%, service 6.88%, commerce 7.56%, others 10.68%. 

Land use Cultivable land 12235 hectare, fallow land 111 hectares; single crop 32.49%, double crop 48.7% and triple crop land 18.81%. 

Cultivable land under irrigation 78%. 

Land control Among the peasants, 26% are landless, 27% marginal, 26.1% small, 14.93% intermediate and 5.97% rich; cultivable land per head 0.053 hectare. 

Value of land The market value of the first grade arable land is Tk 5000 per 0.01 hectare. 

Main crops Paddy, sweet potato, mug, lentil, chilli, sesame, linseed, ground nut,. Extinct and nearly extinct crops Tobacco, jute and sugarcane. 

Main fruits Mango, jackfruit, banana, futi, watermelon. Fishery, poultry Fishery 105, poultry 13, hatchery 1. 

Communication facilities Roads: pucca 4.25 km, semi pucca 12 km, mud road 550 km. 

Traditional transport Country boat. Manufactories Ice mill 2, rice mill 12, saw mill 7.

Cottage industries Weaving 3, welding 5, miscellaneous workshop 9, bamboo work 75, wood work 101, goldsmith 35, blacksmith 37, potteries 41, tailoring 82. 

Hats bazars and fairs Hats and bazars are 8, fair 2, most noted of which are Subid-khali, Kakrabunia, Kanthaltali, Subid-khali Mela. 

Main exports Banana, mugh, lentil, chilli. 

NGO activities Operationally important NGOs are ASA, BRAC, CARE, Yubak, Solve, ISWA, CDS, Sound. 

Health centres Upazila health complex 1, satellite clinic 4, family planning centre 6.