Pyuthan District (Nepali: प्युठान जिल्ला, is a "hill" district some 427.6 km west of Kathmandu in Lumbini Province in midwestern Nep…Pyuthan District (Nepali: प्युठान जिल्ला, is a "hill" district some 427.6 km west of Kathmandu in Lumbini Province in midwestern Nepal. Pyuthan covers an area of 1,309 km² with population of 212,484 in 2001 and 226,796 in 2011. Pyuthan Khalanga is the district's administrative center.