Okhaldhunga District a part of Sagarmatha Zone, is one of the seventy-five districts of Nepal, a landlocked country of South Asia. The district, with Okhaldhunga as its district headquarters, covers an area of 1,074.5 km² and had a population of 156,702 in 2001 and 147,984 in 2011. Okhaldhunga is part of area traditionally called Wallo Kirat (near Kirat), home to indigenous ethnic groups Rai and Sunuwar सुनुवार. Apart from these indigenous ethnic groups, other ethnics and hill castes live in the district.