Yantai, formerly Chefoo, is a coastal prefecture-level city on the Shandong Peninsula in China. Lying on the southern coast of the Bohai Strait, Yantai borders Qingdao on the southwest and Weihai on the east, with sea access to both the Bohai Sea and the Yellow Sea. It is the largest fishing seaport in Shandong. Its population was 7,102,116 during the 2020 census, of whom 3,184,299 lived in the built-up area made up of the 5 urban districts of Zhifu, Laishan, Fushan, Muping, and Penglai.