Kosi region

Koshi Region
Subregion
Kosi Region
Coordinates: 26°07′34″N 86°36′18″E / 26.126°N 86.605°E / 26.126; 86.605
Country India   Nepal
StateBihar
RegionMithila
Largest citiesSaharsa,Itahari,Dharan and The Supaul
Division and DistrictKosi Division And Sunsari District
DemonymMaithil
Language
 • LanguageMaithili 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. It is a subregion in Mithila. Its geographically capital is Supaul.

Rank Towns/

Cities

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