Which city does Chengmai County in Hainan Province belong to?

Chengmai County of Hainan Province belongs to Haikou City of Hainan Province.

Hainan Province has jurisdiction over 18 cities and counties, among which Chengmai County is a county-level administrative region under Hainan Province, located in the northwest of Hainan Island. Chengmai County is an important agricultural county in Hainan Province, which mainly produces agricultural and sideline products and tropical fruits.

Hainan Province is the only tropical province in China, with unique natural resources and unique tourism resources. In recent years, Hainan Province has accelerated the development of tourism and modern service industry, and actively promoted economic transformation and upgrading. As the capital of Hainan Province, Haikou is the political, economic and cultural center of Hainan Province. Haikou has jurisdiction over several counties, including Meilan District, Longhua District, qiongshan district, xiuying district and Chengmai County.