| 1 | 渤海 | 渤海 | bó hǎi | Bo2 Hai3 | Bohai Sea, or Bo Hai, between Liaoning and Shandong; Parhae, Korean kingdom in Manchuria and Siberia 698-926 | | |
| 2 | 渤 | 渤 | bó | Bo2 | same as 渤海 , Bohai Sea between Liaoning and Shandong; Gulf of Zhili or Chihli | | |
| 3 | 渤海湾 | 渤海灣 | bó hǎi wān | Bo2 hai3 wan1 | Bohai Bay | | |
| 4 | 渤澥桑田 | 渤澥桑田 | bó xiè sāng tián | bo2 xie4 sang1 tian2 | lit. blue seas where once was mulberry fields (idiom, from 史记 , Record of the Grand Historian); time brings great changes; life's vicissitudes | | |
| 5 | 环渤海湾地区 | 環渤海灣地區 | huán bó hǎi wān dì qū | huan2 Bo2 hai3 wan1 di4 qu1 | Bohai Economic Rim (economic region including Beijing, Tianjin, Hebei, Liaoning and Shandong) | | |