Chengmai County, Hainan Province is a county directly under the jurisdiction of Hainan Province. Chengmai County, located in the northwest of Hainan Island, is an important part of the urban agglomeration around Beibu Gulf. It belongs to the county directly under the jurisdiction of Hainan province and is not under the jurisdiction of any city. Chengmai County has 1 1 town and Jin 'an Preparatory Group, 19 1 village (neighborhood) committee, 3 state-owned farms and 1 provincial forest farm.