Zhongshan, known as Xiangshan in ancient times, is a prefecture-level city in People's Republic of China (PRC) (China) and the hometown of Dr. Sun Yat-sen. Zhongshan is located in the south-central part of Guangdong Province, south of the central part of the Pearl River Delta, and the lower reaches of Xijiang River and Beijiang River enter the sea. It is between 2211'~ 22 47' north latitude and113 09' ~13 46' east longitude. It borders Nansha District of Guangzhou and Shunde District of Foshan City in the north, Jiangmen City, Xinhui District and Doumen District of Zhuhai City in the west, Zhuhai City in the southeast, Lingdingyang in the Pearl River Estuary in the east and Shenzhen and Hong Kong Special Administrative Region in the east. Administrative area 1783.67 square kilometers. It belongs to subtropical monsoon climate.

The ancient Xiangshan is an island in Dingling Ocean outside the Pearl River Estuary. Its territory is only the mountainous and hilly areas around Wugui Mountain and Fenghuang Mountain, that is, the area from Shi Qi to Macau. Han Dynasty belongs to Panyu County, Nanhai County. Since 1925, there has been the place name "Zhongshan". 65438-0988 Zhongshan City was upgraded to a prefecture-level city with the approval of the State Council, which is directly under the jurisdiction of Guangdong Province.