Merak is one of the remotest geogs under the Merak-Sakteng Drungkhag in Trashigang Dzongkhag
Lumang Gewog shares its border with Uzerong Gewog in the west, Nanong Gewog in the South, Khaling Gewog in the north and Thrimshing Gewog in the east. Lumang Gewog is 103 km away from Trashigang Dzongkhag administration; the central administration for the