| Jiashan | |
| Other Name: | Kashan |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Pushpin Map: | China Zhejiang |
| Pushpin Label: | Jiashan |
| Pushpin Map Caption: | Location of the seat in Zhejiang |
| Coordinates: | 30.831°N 120.926°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Zhejiang |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Jiaxing |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Jiashan County is a county in the north of Zhejiang Province, bordering Shanghai to the northeast and Jiangsu province to the north. It is administered by the prefecture-level city of Jiaxing. Jiashan is nicknamed "The Land of Fish and Rice", and is 80km (50miles) southwest of central Shanghai, 95km (59miles) east of Hangzhou, and 90km (60miles) south of Suzhou. The county seat is located on 126 People Avenue, Weitang Town.
The second campus of Sanda University, known as Guangbiao Institute, is located in Jiashan County.
Jiashan formerly was part of Jiaxing. In 1430, Jiashan was established.
On 1 November 2022, the county was named by a guideline of the National Development and Reform Commission (NDRC) as a "leading trial area" for common prosperity.[1]
Jiashan County consists of six towns, three subdistricts, 11 communities, 16 residential zones and 164 administrative villages.