It is the provinces of Sichuan and Yunnan in the east, Qinghai and Xinjiang in the north, and a border to India, Nepal, Sikkim, tibet tour Bhutan and Burma to the south of Kashmir limited to the west.

• 它北邻新疆，东北紧靠青海，东西接连四川，东南界云南，南边和西部与缅甸、印度、不丹、锡金、尼泊尔等国接壤。国境线长达3842公里，是中国西南边陲的重要门户，战略位置十分重要。