The Bohai Sea (Chinese: 渤海; pinyin: Bó Hǎi; 'Bo Sea') is a gulf/inland sea approximately 77,000 km (30,000 sq mi) in area on the east coast of Mainland China. It is the northwestern and innermost extension of the Yellow Sea, to which it connects via the Bohai Strait. It has a mean depth of approximately 18 meters (59 ft), with a maximum depth of about 80 meters (260 ft) located in the northern part of the Bohai Strait.
