Dafeng District, Yancheng City, Jiangsu Province. Gao Feng Road, Guangfeng Road and Feida Road, Dafeng District, Yancheng City, Jiangsu Province. Dafeng District, which belongs to Yancheng City, Jiangsu Province, is located in the east of Jiangsu Province, southeast of Yancheng City, with a total area of 3,059 square kilometers, bordering tinghu district City in the north, Dongtai City in the south, xinghua city City in the west and the Yellow Sea in the east.