Kosi Zone

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Kosi कोसी अञ्चल[1] कोशी अञ्चल
Zone
Country	Nepal
Named for	Koshi River
Districts	List Sunsari District Morang District Dhankuta District Tehrathum District Bhojpur District Sankhuwasabha District
Area
• Total	9,669 km2 (3,733 sq mi)
Population  (2011)
• Total	2,335,047
• Density	240/km2 (630/sq mi)
Time zone	UTC+5:45 (Nepal Time)

Kosi or Koshi (Nepali: कोसी अञ्चल, Nepali: कोशी अञ्चल Listen^ⓘ) was one of the fourteen zones of Nepal until the restructure of zones to provinces. The headquarters of Kosi Zone was Biratnagar which was also its largest city. Other cities of Kosi Zone were Inaruwa, Dharan, Dhankuta, Jhumka, Duhabi, Tarahara and Itahari. Its main rivers were Arun, Tamor and Sapta Koshi.