Sihai, Beijing
Sihai Town is a town in the Yanqing District of Beijing. It borders Qianjiadian Town and Zhenzhuquan Township in the north, Liulimiao and Yanqi Towns in the east, Bohai and Jiuduhe Towns in the south, as well as Yongning Town and Liubinbao Townships in the west. Its population was 4,434 as of 2020.
This region hosted a major smelter during the Yuan dynasty. With more workers immigrated here from all over China, the region was named Sihai in the sense of "People come here from all four seas/all over the world."
Geography
Sihai Town sits in a basin within Yan Mountain Range, with the Caishi River flowing through it.Administrative divisions
As of the year 2021, 19 subdivisions, more specifically 1 community and 18 villages, constituted Sihai Town, They can be seen in the following table:| Subdivision names | Name transliterations | Type |
| 四海镇 | Sihaizhen | Community |
| 西沟里 | Xigou Li | Village |
| 西沟外 | Xigou Wai | Village |
| 四海 | Sihai | Village |
| 椴木沟 | Duanmugou | Village |
| 菜食河 | Caishihe | Village |
| 海字口 | Haizikou | Village |
| 岔石口 | Chashikou | Village |
| 永安堡 | Yong'anpu | Village |
| 郭家湾 | Guojiawan | Village |
| 石窑 | Shiyao | Village |
| 大胜岭 | Dashengling | Village |
| 南湾 | Nanwan | Village |
| 黑汉岭 | Heihanling | Village |
| 大吉祥 | Dajixiang | Village |
| 上花楼 | Shanghualou | Village |
| 王顺沟 | Wangshungou | Village |
| 前山 | Qianshan | Village |
| 楼梁 | Louliang | Village |