2. Wancheng generally refers to Wancheng District. Wancheng District, which belongs to Nanyang City, Henan Province, is located in the southwest of Henan Province, in the center of Nanyang Basin, with the center at112 52 east longitude and 32 89 north latitude, with a total area of 683 square kilometers. By 0: 00 June 2020 1 65438+1October1,the permanent population of Wancheng District was 633563. Wancheng District has a subtropical continental monsoon climate.