Gonggar County is located in southern Tibet and has a total area of . The Yarlung Tsangpo River (Brahmaputra River), the mother river of Tibet, flows through the Gonggar County and among other counties of Shannan, and is thus rich in water resources. Set in west to east direction, the county is a plateau land with an average altitude of . The Gonggar County is situated at a location where Yarlung Tsangpo River is very wide. It is for this reason that the Gonggar Airport was constructed at this location. The airport lies to the west of Rawa-me, which is the capital of the county at the entry of the Namrab Valley, from Lhasa and from Tsetang, the capital of Shannan. The county is bounded by the Mount Chuwaru (held sacred in Tibet) opposite to Chusul, the Gompa La () Pass to the south on the route to the sacred Yamdrok Lake in West Tibet, on the east to the limits of the Dal Valley on the south bank of the Brahmaputra and Dorje Monastery on the north bank. The county also envelops the southern side valleys of Namrab and Drib counties and the northern side valleys of Leuchung and Trango counties.