Look up 西海 in Wiktionary, the free dictionary.
西海, meaning "west sea", may refer to:
In the Chinese reading Xīhǎi:
- Xihai Jun, a prefecture of ancient China
- Qinghai Lake, one of the Four Seas of China
In the Korean reading Seohae, alternatively spelled Sŏhae:
- Sohae University (서해대학교/西海大學校) in Gunsan, South Korea
- Former name of Hwanghae, one of the Eight Provinces of Korea during the Joseon dynasty
- The Yellow Sea, sometimes also called the West Sea of Korea
In the Japanese readings Saikai or Nishiumi:
- Saikaidō, a region of ancient Japan
- Saikai, Nagasaki (西海市), city in Nagasaki Prefecture
- Nishiumi, Ehime (西海町), former village in Ehime Prefecture