Jhapa District is a district of Koshi Province in eastern Nepal named after a Rajbanshi Surjapuri language word "Jhapa", meaning "to cover". Th…Jhapa District is a district of Koshi Province in eastern Nepal named after a Rajbanshi Surjapuri language word "Jhapa", meaning "to cover". The 2021 Nepal Census, puts the total population of the district at 994,090. The total area of the district is 1,606 square kilometres.