东京湾 Traditional form: 東京灣 Pinyin (reading): Dōngjīng Wān Definitions: Tokyo Bay former name of 北部灣/北部湾 ( Běibù Wān), Gulf of Tonkin Characters: 东 - east, eastern, eastward 京 - capital city 湾 - bay, cove, gulf, inlet Traditional characters: 東 - east, eastern, eastward 京 - capital city 灣 - bay, cove, gulf, inlet