Tanggulashan area is an excessive area between Qiangtang area and Changdu area, which is situated on east of Qiangtang area, and is located next to the west of Chuangdu aera.

• 而唐古拉地区则位于北羌塘东部边缘地区，东临昌都地区，是北羌塘和昌都地区的过渡区域。