Sarlahi District, a part of Janakpur Zone, is one of the seventy-five districts of Nepal, a landlocked country of South Asia. Janakpur Zone is one of the 14 zones of Nepal, reaching from the Indian border in the south to the Tibetan border in the north and Sagarmatha The 14 administrative zones (अञ्चल of Nepal are subdivided into 75 districts (जिल्ला Nepal (नेपाल) is a Landlocked country in South Asia. A landlocked country is commonly defined as one enclosed or nearly enclosed by land The district, with Malangwa as its district headquarters, covers an area of 1,259 km² and has a population (2001) of 635,701. Year 2001 ( MMI) was a Common year starting on Monday according to the Gregorian calendar.