Si Prefecture (Huai valley)
Sizhou or Si Prefecture was a zhou in imperial China seated in modern Xuyi County, Jiangsu, China or its adjacent Si County, Anhui, China. It existed from 580 to 1912.Geography
The administrative region of Sizhou in the Tang dynasty is in the border area of modern northwestern Jiangsu and northern Anhui. It probably includes parts of modern:
- Under the administration of Suqian, Jiangsu:
- *Suqian
- *Shuyang County
- *Siyang County
- *Sihong County
- Under the administration of Xuzhou, Jiangsu:
- *Pizhou
- *Suining County
- Under the administration of Huai'an, Jiangsu:
- *Lianshui County
- *Xuyi County
- Under the administration of Lianyungang, Jiangsu:
- *Guannan County
- Under the administration of Suzhou, Anhui:
- *Si County
