Agailjhara Upazila (Barisal district) with an area of 161.82 sq. km is surrounded by Gournadi upazila on the north and east, Wazirpur upazila on the south, Kotalipara upazila on the west. 

Main river is Bisharkandi, Paisarhat. Dhoparparer beel are notable. 

Agailjhara (Town) consists of 3 mouzas. The area of the town is 6.4 sq km. The town has a population of 8185; male 52.57%, female 47.43%. Literacy rate among the town people is 48.7%. The town has one dukbangalow. 

Administration Agailjhara thana was turned into an upazila in 1983. It consists of 5 unions, 84 mouzas and 95 villages.

Archaeological heritage and relics Manasa Mandir of Poet Bijoy Gupta, Dharadhar Dighi (tank) at Beluhar. Historical events Freedom fighter Alauddin Bashk was killed while resisting the Pak army near the Shoudh Canal. During the War of Liberation the Pak army killed 8 persons including Laskan Das, proprietor of the Laskan Das Circus of village Kodaldhoa. 

Marks of the War of Liberation Mass killing site at Katira and mass grave at Ranta. 

Population 147343; male 50.93%, female 49.07%; Muslim 51.71%; Hindu 45.51%, Christian 2.74% and others 0.04%.

Literacy and educational institutions Average literacy 42.02%; male 49.04% and female 35%. 

Educational institutions: college 2, polytechnic institute 1, high school 21, junior school 8, government primary school 65, non-government primary school 23, satellite school 10, madrasa 17, cadet school 4, music school 1. 

Noted educational institutions: Shaheed Abdur Rab Serniabat Degree College (1972), Bhegai Haldar public Academy (1919), Gaila High School (1893), Baghda High School (1922), Bahadurpur High School (1924). Religious institutions Mosque 115, temple 318, church 20, tomb 2, sacred place 3. Cultural organisations club 31, cinema hall 1, public library 1.

Main occupations Agriculture 38.54%, agricultural labourer 24.81%, wage labourer 2.57%, commerce 13.9%, service 8.41%, construction 1.96%, fishing 1.03%, industry 1.04% and others 7.74%. 

Land use Cultivable land 12460.73 hectares; fallow land 5785.4 hectares; single crop 56.68%, double crops 38.06% and treble crops land 5.26%. 

Land value Market value of land of the first grade is approximately 5000 per 0.01 hectare. 

Main crops paddy, wheat, jute, potato. Extinct or nearly extinct crops Linseed, koun, china and arahar.

Main fruits Mango, jack fruit, banana, litchi, black berry, watermelon, papaya. Communication facilities Roads: pucca road 17 km, semi pucca 15 km and mud road 125 km; waterways 35 km. 

Traditional transport palanquin, horse carriage and bullock cart. These means of transport are either extinct or nearly extinct. Manufactories Flour mill 1, rice mill 98, ice factory 5, saw mill 25, oil mill 4, chira mill 1.

Hats, bazars and fairs Total number of hats and bazars are 18, fair 2; most noted of which are Shaheber Hat, Paisar Hat, Ashkar Kalibari Hat, Bakal Hat and Kodaldhoa Baruni Mela. 

Main exports Jute, betel leaf. 

NGO activities Operationally important NGOs are Brac, ASA , CARE, , Caritas,Proshika, Grameen Bank, Taranga, Aloshikha. 

Health centres Private hospital 4, Union health and Family planning centre 7, Family welfare centre 5, Satellite clinic 6.