Jiangshan, a county-level city under the jurisdiction of Zhejiang Province, is administered by Quzhou. Located at the junction of Zhejiang, Fujian and Jiangxi provinces, it is the southwest gateway of Zhejiang Province and one of the sources of the Qiantang River. In 1987, counties were abolished and cities were established. The city's land area is 2019.48 square kilometers. Hangchang high-speed railway, Beijing-Taiwan (Huang-Quzhou-South) high-speed, Zhejiang-Jiangxi railway runs through the whole territory. According to the seventh census, as of midnight on November 1, 2020, the permanent population of Jiangshan was 494,412.

The main scenic spots include Jianglang Mountain Scenic spot, Qingyang Scenic spot, 28 Ancient Town, Floating cover Dui Stone Cave Group, Harmony Painted Pottery Cultural Village, Xianxiling Scenic spot, Dai Li Secret Residence, Shigu Valley, Moon Lake Scenic spot, urban landscape, etc.

In June 2017, Jiangshan was named a National Sanitary City. In October 2018, it was awarded the honorary title of "2018 National Forest City". In November 2018, it was selected into the 2018 National "100 Happy Counties List" and among the top 100 county-level Well-off Index in China. In September 2019, it was selected as one of the first national tourism demonstration zones. 2019 National Top 100 Counties for Business Environment.
In 2020, Jiangshan's GDP reached 31.264 billion yuan, an increase of 1.6% over the previous year at comparable prices.