Sanshan district, Wuhu City (revoked and merged into Yijiang District), which belongs to Wuhu City, Anhui Province, is a new urban area of Wuhu City approved by the State Council in February 2006. Located in the south of the Yangtze River, in the middle of Wuhu City, it is one of the main roads to enter the mountainous areas in southern Anhui. Sanshan Economic Development Zone in the northwest of sanshan district is a centralized demonstration park for Wuhu to undertake industrial transfer, and it is also the starting area for Wanjiang City Belt to undertake industrial transfer.

As of 20 15, sanshan district has an area of 3 19.8 square kilometers and a permanent population of15,000 people. It is a central city and an important economic growth pole of the Yangtze River urban belt, and it is also an open city along the Yangtze River approved by the State Council and a window of Anhui's reform and opening up.

Sanshan district is located in the middle of Wuhu City, bordering the Yangtze River in the north, Zhanghe River in the east and mountainous areas in southern Anhui in the southwest. Terrain sanshan district is located in the south bank of the lower reaches of the Yangtze River, with a hilly terrain and surrounded by mountains, with an average elevation of 9.5.

Climate sanshan district has a mild climate all year round, belonging to subtropical humid monsoon climate, with an annual average temperature of 15- 16 degrees Celsius; Adequate sunshine, with an average of about 2000 hours; The rainfall is moderate, with an average annual rainfall of about1200mm; Four distinct seasons, with an average frost-free period of 2 19-240 days. Sanshan district Linjiang, Longwo Lake is the largest, Yangwatao and Tangqiu Lake have a long history, and rivers and streams are intertwined. Sanshan River, Exi River, Bokou River and Xiangshui River have long enjoyed a good reputation.