Mugu District, a part of Karnali Province, is one of the seventy-seven districts of Nepal. The district, with Gamgadhi as its district headquart…Mugu District, a part of Karnali Province, is one of the seventy-seven districts of Nepal. The district, with Gamgadhi as its district headquarters, covers an area of 3,535 km² and had a population of 55,286. Mugu is known for being both the most remote district in Nepal, as well as the least developed.