Sindhuli District is a part of Bagmati Pradesh, is one of the seventy-Seven districts of Nepal, a landlocked country of South Asia. The district, with Sindhulimadhi Kamalamai as its district headquarters and covers an area of 2,491 km2 (962 sq mi). In 2001, it had a population of 279,821, in 2011 the population was 296,192.
Sindhupalchok District is a part of Bagmati Pradesh and one of the seventy-seven districts of Nepal, with an area of 2,542 km2 (981 sq mi). The district's headquarters is in Chautara. In 2006, 336,478 people resided in 79 village development committees, in 2011 there were 287,798.
Siraha District is a district in Province No. 2, is one of the seventy-seven districts of Nepal. It is situated in the Terai belt of Nepal. The district, with Siraha as its district headquarters, covers an area of 1,188 km2 (459 sq mi). It has a population of 637,328 according to the census of 2011. The majority of the population here is Yadav, Tharus, Muslims, and ethnic minorities with the majority population speaking Maithili language and Nepali language.
Solukhumbu District is one of 14 districts of Province No. 1 of eastern Nepal. As the name suggests, it consists of the subregions Solu and Khumbu. The district, with Salleri as its headquarters, covers an area of 3,312 km2 (1,279 sq mi) and had a population 107,686 in 2001 and 105,886 in 2011.