Mahottari District a part of Janakpur Zone, is one of the seventy-five districts of Nepal, a landlocked country of South Asia. The district, with Jaleswar as its district headquarters, covers an area of 1,002 km² and had a population of 553,481 in 2001 and 627,580 in 2011.

Its headquarters is located in Jaleshwar, a neighbouring town of the historical city of Janakpur. The name Jaleshwar means the 'God in Water'. One can find a famous temple of Lord Shiva in Water there. Jaleshwar lies at a few kilometres distance from the Nepal-India border.

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