Kosi region

Last updated
Koshi Region
Subregion
Kosi Region
Coordinates: 26°07′34″N86°36′18″E / 26.126°N 86.605°E / 26.126; 86.605
CountryFlag of India.svg India Flag of Nepal.svg   Nepal
State Bihar
Region Mithila
Largest cities Saharsa,Itahari,Dharan and The Supaul
Division and District Kosi Division And Sunsari District
Demonym Maithil
Language
 • Language Maithili and Thethi dialect

Kosi Region is a region in Bihar (India) and Nepal's Sunsari District. There are 4 districts in this region: Sunsari District, Saharsa District, Madhepura District and Supaul District. It consists of Kosi Division and Sunsari District. [1] It is a subregion in Mithila. Its geographically capital is Supaul.

Contents

RankTowns/

Cities

Districtpopulation
1. Saharsa Saharsa 216,491
2. Dharan Sunsari 173,096
3. Itahari Sunsari 198,098
4. The Supaul Supaul 65,437

Name

The name of Kosi region comes from Kosi River/Kausiki that flows through this region. The name kosi came from Kausiki. [2]

History

Kosi Region has been a part of Mithila till ancient times. It was ruled by Videha in latter vedic period, Darbhanga Raj(Princily state) and many others. [3] The Rive Kosi that flows thourh this region was also known as kausiki in Hindu mythologies. [4]

References

  1. ↑ "Kosi Division". KnowBihar. Retrieved 25 February 2026.
  2. ↑ team, India Water Portal (22 December 2008). "Kosi River". India Water Portal. Retrieved 25 February 2026.
  3. ↑ Thakur, Ripunjay Kumar (1 January 2021). "Historical Geography of Early Medieval Mithila: From Videha to Tirhut". Kanpur Philosophers, a UGC CARE listed and an Internationally Peer Reviewed Journal, Vol. VIII, Issue II.
  4. ↑ "What is the ancient name of the river Kosi?". prepp.in. Retrieved 25 February 2026.
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