Jaleswar (in Oriya:ଜଳେଶ୍ବର) is a small town that belongs to Balasore district of state Orissa and is adjacent to border of West Bengal. 'Jaleswar' town is a notified area committee. And also Jaleswar block (consists of 142 villages and Jaleswar town (NAC)) forms a state constituency along with Balipal Block.

As of 2001^[update] India census, Jaleswar block had a population of 1,31,867. Males constitute 51% of the population and females 49%. Jaleswar has an average literacy rate of 65%, higher than the national average of 59.5%: male literacy is 73%, and female literacy is 57%. In Jaleswar, 14% of the population is under 6 years of age.

Coordinates: 21°49′N 87°13′E / 21.817°N 87.217°E / 21.817; 87.217

Jaleswar is a major town in the Balasore district. Jaleswar has four major areas Bada Bazar, Nua Bazar, Station Bazar and Purunia Bazar. Jaleswar is near the West Bengal border (about 8 KM). Most of the vegetable vendors from Kharagpur and other parts of West Bengal come to the Monday Market (at Patharapura Village, behind the Jaleswar Police station) to purchase vegetables at wholesale prices.^{[citation needed]}

Abul Bashar (Bengali: আবুল বাশার) is a popular Bengali writer from the state of West Bengal in India. He was born in 1951 in Hamarpur in Murshidabad district.Bashar is known for his Left-leaning stance and secularism.