Qinhuangao (simplified Chinese: 秦皇岛; traditional Chinese: 秦皇島; pinyin: Qínhuángdǎo; Wade-Giles: Ch'in Huang Tao; Postal map spelling: Chinwangtao) is a city in Hebei province, China. It is about 300 km east of Beijing, on the Bohai Sea, the innermost gulf of the Yellow Sea.