1. East China Sea
2. East Sea (Chinese mythology and ancient geography)

1. (Korea) Sea of Japan (a sea)
2. (Vietnam) South China Sea (a sea)
3. (historical) Donghai Commandery (in present day Shandong province, China)
4. (～大學) Tunghai University (a university in Taiwan)
5. (～大學) Tōkai University (a university in Japan)
6. (～市) Donghae (a city in South Korea)
7. (～市) Tōkai (a city in Aichi Prefecture, Japan)
8. (～縣) Donghai (a county of Lianyungang, Jiangsu, China)
9. (～街道) Donghai (a subdistrict of Lufeng, Shanwei, Guangdong, China)
10. (～郡) (historical) Donghai Commandery (in present day Shandong province, China)
11. (～鎮) Donghai (a town in Chengxiang district, Putian, Fujian, China)
12. (～鎮) Donghai (a town in Jidong, Jixi, Heilongjiang, China)
13. (～鎮) Donghai (a town in Qidong, Nantong, Jiangsu, China)
14. Donghae (a city in South Korea)
15. Donghai (a county of Lianyungang, Jiangsu, China)
16. Donghai (a subdistrict of Lufeng, Shanwei, Guangdong, China)
17. Donghai (a town in Chengxiang district, Putian, Fujian, China)
18. Donghai (a town in Jidong, Jixi, Heilongjiang, China)
19. Donghai (a town in Qidong, Nantong, Jiangsu, China)
20. East China Sea (a sea)
21. Sea of Japan (a sea)
22. South China Sea (a sea)
23. Tunghai University (a university in Taiwan)
24. Tōkai (a city in Aichi Prefecture, Japan)
25. Tōkai University (a university in Japan)

classifier: 支