East Sea (Chinese literature)
The East Sea (simplified Chinese: 东海; traditional Chinese: 東海; pinyin: Dōng Hǎi), one of the Four Seas, is identified as the body of water east of the mainland according to ancient Chinese geography. In Chinese literature, the Four Seas are a metaphor for the boundaries of China.
Source: Wikipedia — East Sea (Chinese literature) (CC BY-SA 4.0)