Nanning is located in the south of Guangxi at 107°45'E to 108°51'E and 22°13'N to 23°32'N. Nanning is located in the subtropical zone and south of Tropic of Cancer, which makes it a “window” facing Southeast Asia. In the back of the city there is the southwest of the country, and in its surrounding areas there are Guangdong, Hong Kong, Macau and Beibu Gulf. In addition, it is located at the junction of South China Economic Circle, Southwest Economic Circle and China-ASEAN Economic Circle, and at the intersection of multi-regional cooperation including Pan-Beibu Gulf Economic Cooperation, Greater Mekong Sub-region Cooperation and Pan-Pearl River Delta Cooperation.