The Gewog consists of five (5) chiwogs with thirteen (13) villages. According to the Population and Census Record 2015, the population of Gewog is 810 with 185 households. In addition to the residents, there are various institutions present in the Gewog, including schools, administrative offices, BHU, forest park office, etc.
Lunana experiences climate conditions ranging from temperate to alpine with extremely cold winters, and short pleasant summers. During winter, Lunana communities experience heavy snowfall which keeps them snow bound as the mountain passes become inaccessible to the neighboring gewogs and dzongkhags.