The Mengcheng County (Chinese 蒙城 县, Pinyin Méngchéng Xiàn) is a district of the district-free city of Bozhou in Anhui Province, China. It has an area of ​​2,060 or 2,091 square kilometers and has about 1.22 million inhabitants (2004). The Neolithic Yuchi Temple Site (Yuchisi yizhi 尉迟 寺 遗址) of Dawenkou Culture and Mengcheng's Thousand Buddha Pagoda (Mengcheng Wanfota 蒙城 万 佛塔) are on the list of monuments of the People's Republic of China.