Haicheng District (海城区) is the seat of Beihai City, Guangxi, China. It has 51 neighborhood committees and 20 village committees.
- Area: 140 km²
- Population: 240,000
- District seat: at Gulf of Tonkin Way (北部湾大道)
Subdivisions
- Dongjie Sub-district (东街街道)
- Zhongjie Sub-district (中街街道)
- Xijie Sub-district (西街街道)
- Haijiao Sub-district (海角街道)
- Dijiao Sub-district (地角街道)
- Weizhou Town (涠洲镇)
- Jinghai Town (靖海镇)
