Si Prefecture
- Anhui
- China
- Guannan County
- History of the administrative divisions of China before 1912
- Hongze Lake
- Huai'an
- Huai'an Prefecture
- Jiangnan Province
- Jiangsu
- Lianshui County
- Lianyungang
- Ming Zuling
- Pizhou
- Qing dynasty
- Shuyang County
- Si County
- Si River
- Sihong County
- Siyang County
- Suining County, Jiangsu
- Suqian
- Suzhou, Anhui
- Tang dynasty
- Xuyi County
- Xuzhou
- Zhou (country subdivision)