Muang Sing District is located in Luang Namtha’s far northwest bordering Myanmar and China’s Yunnan province with historic Muang Sing Town as its administrative and economic centre. Its landscape is predominantly mountainous with elevation ranging between 540 to 2,094 meters.
Tucked in the northwestern corner of Lao PDR, Luang Namtha covers an area of 9,391 square kilometers with more than 85% of its terrain being low calciferous mountains that rise to between 800 – 2,000 meters above sea level, the highest point (2,094 masl) is found in Vieng Phoukha District.
Nalae District is located in the southwest of Luang Namtha province, with Bokeo to the west and Oudomxay to the south and east. Nalae is bisected lengthways by the Nam Tha River, which provides the district with its main source of transport and communication to other towns and provinces.
Vieng Phoukha is a mountainous district located in the south of Luang Namtha Province on Road 3 about 60 Km from Luang Namtha. It has a total land area of 1,866 square kilometers, bordering Namtha, Nalae and Long District as well as Bokeo Province with a population of 18,727 people in 2005.
Muang Long is a mountainous District the west of Muang Sing that shares a 48 km long border with Myanmar. There are over nine ethnic groups in this heavily Akha District. Other ethnic groups in the area included Thai Leu, Kouy Soung, Kouy Luang, Hmong, Laen Taen, and Tai Daeng.