Zip code 510515, Baiyun District, No.5 Huang Zhuang South Road, Baiyun District, Guangdong Province, belongs to Guangzhou City, Guangdong Province, and is a municipal district of Guangzhou City. Its name comes from Baiyun Mountain. Located in the south of the Tropic of Cancer, it is 113 08 ′ ~ 113 34 ′ east longitude and 23 07 ′ ~ 23 25 ′ north latitude. Located in the north of Guangzhou, it is adjacent to Zengcheng City in the east, Nanhai City in the west, Liwan, Yuexiu, Tianhe and Huangpu in the south, Huadu District and Conghua City in the north.