Jaleshwar is a municipality situated in the Madhesh Province of Nepal. It serves as the headquarters of the Mahottari district within the Janakpur Zone. Located in the Terai region, the town sits on the border with India at Bhitthamore, Bihar.
The area functions as a point of transit and trade, featuring a customs checkpoint due to its proximity to the international boundary. Maithili is the most commonly spoken language in Jaleshwar.