Madhubani District is one of the thirty-eight districts of Bihar state, India, and Madhubani town is the administrative headquarters of this district. Madhubani district is a part of Darbhanga Division. The district occupies an area of 3501 km² and has a population of 3,570,651 (as of 2001[update]). This is the centre of Mithila, a region where the main language is Maithili.
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