Sunsari DistrictSunsari District is one of 14 districts in Koshi province of Nepal. The district is located in the eastern part of the Outer Terai and covers an area of . According to the 2011 Nepal census, the population was 753,328. The district headquarters is located in Inaruwa. The area was originally part of Morang District but became its own district in 1962 when Nepal was divided into 14 zones and 75 districts. Major cities in Sunsari district are Inaruwa], Itahari, Jhumka, Dharan, and Duhabi.
BiratnagarBiratnagar (विराटनगर) is a metropolitan city in Nepal, which serves as the capital of Koshi Province. With a population of 242,548 as per the 2011 census, it is the largest city in the province and also the headquarters of Morang district. As per the preliminary report of 2021 Nepal census, Biratnagar has an estimated city population of 244,750. It is one of the cities of the Greater Birat Development Area which incorporates the cities of Biratnagar-Itahari-Gothgau-Biratchowk-Dharan primarily located on the Koshi Highway in Eastern Nepal, with an estimated total urban agglomerated population of 804,300 people living in 159,332 households.
Kalimpong districtKalimpong district is a district in the state of West Bengal, India. Originally known as Dalingkot tehsil, the region was alternatively under the control of Sikkim and Bhutan. In 1865, it was annexed from Bhutan by British India under the Treaty of Sinchula, and administered as a subdivision of the Darjeeling district from 1916 to 2017. In 2017, it was carved out as a separate district to become the 21st district of West Bengal. The district is headquartered at Kalimpong, which grew to prominence as a market town for Indo-Tibetan trade during the British period.
