| 北部 | bei3 bu4 | northern part |
| 北部湾 | bei3 bu4 wan1 | Bac Bo Gulf |
| 汤金 | tang1 jin1 | Tonkin |
| 东京湾 | dong1 jing1 wan1 | Tokyo Bay |
| 孤拔 | gu1 ba2 | Amde Courbet (1826-1885), a French admiral who won a series of important land and naval victories during the Tonkin campaign and the Sino-French War |
| 越南刺鳑鲏 | yue4 nan2 ci4 pang2 pi2 | Acanthorhodeus tonkinensis Vaillant (small carp) |