Mae Chaem District split off to form the new district, Galyani Vadhana. Neighboring districts are (from the north clockwise) Galyani Vadhana, Samoeng, Mae Wang, Chom Thong and Hot of Chiang Mai Province, and Mae Sariang, Mae La Noi, Khun Yuam, Mueang Mae Hong Son and Pai of Mae Hong Son Province. Thailand's highest mountain, high Doi Inthanon, in the Thanon Thong Chai Range, is in Mae Chaem District. The district is divided into seven sub-districts ("tambon"), which are further subdivided into 85 villages ("muban"). Mae Chaem also has sub-district municipality ("thesaban tambon") status and covers parts of "tambon" Chang Khoeng. There are a
Doi Tung to the princess mother's interest and encouragement, the hills were reforested. She was also instrumental in fighting against the opium trade. As a result the local hill tribes stopped growing poppies and began to grow other crops. The royal villa was originally built as a summer residence for the princess mother and now houses a museum and displaying her work to improve the life quality of local tribal people. The Mae Fah Luang Gardens are a botanical park on the slopes below the royal villa. Flowers and plants grow among rock formations. Doi Tung Doi Tung (ดอยตุง) is a mountain