Udayapur District

Udayapur District
उदयपुर जिल्ला
Gaighat, Headquarter of Udayapur District
Nickname: 
ghaighat
Udayapur district in Koshi Province
Political division of Udayapur
Coordinates: 26°55′N 86°40′E / 26.917°N 86.667°E / 26.917; 86.667
Country Nepal
ProvinceKoshi Province
EstablishedDuring Rana regime
Admin HQ.Gaighat (Triyuga)
Municipality
Government
 • TypeCoordination committee
 • BodyDCC, Udayapur
 • HeadSubash karki
 • Deputy-HeadIndira karki
 • Parliamentary constituencies2 (UP1 & UP2)
 • Provincial constituencies4
Area
 • Total
2,063 km2 (797 sq mi)
Highest elevation
2,310 m (7,580 ft)
Lowest elevation
360 m (1,180 ft)
Population
 (2021)
 • Total
342,773
 • Density166.2/km2 (430.3/sq mi)
 • Households
75,937
Demographics
 • Ethnic groups
 • Female 53%
 • Male /100 female89.21
Human Development Index
 • Income per capita (US dollars)920 USD
 • Poverty rate29.74
 • Literacy69%
 • Life Expectancy69.29
Time zoneUTC+05:45 (NPT)
Postal Codes
56300, 56301, 56302, 56303, 56305, 56306... 56312
Telephone Code035
Main Language(s)Nepali, Magar, Tharu,
Major highwaysSagarmatha
Websiteddcudayapur.gov.np

Udayapur District (Nepali: उदयपुर जिल्लाListen, is one of the 14 districts of Koshi Province in eastern Nepal. The district, with Triyuga as its district headquarters, covers an area of 2,063 km2 (797 sq mi) and in 2001 had a population of 287,689, in 2011 of 317,532, in 2021 of 342,773

Rivers and hills form natural borders for Udayapur District. The Koshi River to the east separates it from Sunsari District and the Sun Kosi River to the north separates it from Bhojpur and Khotang Districts. The Tawa Khola separates it from Sindhuli District to the west and the Siwalik foothills to the south separate it from the outer Tarai of Siraha and Saptari. The Koshi Tappu Wildlife Reserve lies to the east in Udayapur, Sunsari and Saptari Districts.

According to the former administrative divisions of Nepal, Udayapur falls in Eastern Development Region in Sagarmatha Zone.