Dehong generally refers to Dehong Autonomous Prefecture of Yunnan Province, and Ruili City belongs to Dehong Autonomous Prefecture, so Hongde Prefecture includes Ruili City. Ruili City is adjacent to mangshi in the east, Longchuan County in the north, Myanmar mountains and rivers in the northwest, southwest and southeast, facing the village and adjacent to Muse, a national port city in Myanmar. It is the only border trade zone in China that implements special management under the mode of "domestic customs clearance".

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Ruili City is located in the southwest of Dehong Prefecture. It borders Myanmar in the northwest, southwest and southeast. Located in the south extension of Gaoligong Mountain in Hengduan Mountains, the terrain is high in the northwest and low in the southeast. It's located at number 97. 3 1' ~ 98. 02' 23 E. 38 ′ ~ 24. North latitude14 ′.

This plot is 752km away from Kunming, the provincial capital, and 0/03km away from mangshi, the state capital. It is the end of National Highway 320 from Shanghai Xida Ruili in the east and the intersection of Kunming-Ruili Highway and China-India Highway (Stilwell Road). Mangshi in the east, Longchuan County in the north, Myanmar mountains and rivers in the northwest, southwest and southeast, and villages face each other. The land area is 944.75 square kilometers.