Wanning (postal: Manning; simplified Chinese: 万宁; traditional Chinese: 萬寧; pinyin: Wànníng; literally: "ten thousand peace") is a county-level city in the southeast of Hainan Province, China. Although called a "city", Wanning refers to a large land area in Hainan—an area which was once a county. Within this area is the main city, Wanning City. It has an estimated population of 65,871 (2006).