Shangdu Subdistrict (Chinese: 上渡街道; pinyin: Shàngdù Jiēdào) is a subdistrict of Xinhua County in Hunan, China. The subdistrict was incorporated through the amalgamation of the former Shangdu Office, three villages of Youjia Town and six villages and a community of Caojia Town on November 6, 2017. It has an area of 53.14 km2 (20.52 sq mi) with a population of 50,200 (as of 2017). The subdistrict has nine villages and seven communities under its jurisdiction, its seat is at East Shangmei Road (Chinese: 上梅东路).[1]