As of 2022, Hainan Province has four prefecture-level cities and five county-level cities: Haikou, Sanya, Sansha, Danzhou, Wuzhishan, Wenchang, Qionghai, Wanning, and Dongfang.

Hainan Province, abbreviated as "Qiong", is the southernmost provincial administrative region of the People's Republic of China **** and the country's capital city of Haikou, is located in South China, the north of the Qiongzhou Strait and the boundary with Guangdong, west of the Gulf of Tonkin and Guangxi, Vietnam, the east of the South China Sea and Taiwan across the South China Sea, south-east and south of the South China Sea and the Philippines, Brunei, Malaysia, neighbors. Philippines, Brunei and Malaysia as neighbors in the southeast and south of the South China Sea.

Hainan terrain for the central high around the low, the middle high, dome mountain terrain, a tropical maritime monsoon climate; land area of 35,400 square kilometers, the jurisdiction of the total area of the sea is about 2 million square kilometers.

Under the jurisdiction of four prefecture-level cities, five county-level cities, four counties, and six autonomous counties. As of 2021, Hainan Province has a resident population of 10,204,600, an increase of 123,400 from the previous year.

History

In April 1950, the Hainan Administrative Office of the People's Government of Guangdong Province was established and stationed in Qiongshan, and in March 1955, it was renamed Hainan Administrative Office of Guangdong Province. In addition in the southern half of the island was established in Hainan Li and Miao Autonomous Prefecture, the state capital is located in Baoting County, Chongshan Town (now Wuzhishan City, Tongshi Town).

To this point, Guangdong Province **** set up Pearl River, Dongjiang, Xijiang, Yuezhong, South Road, Xingmei, Chaoshan, Qiongya, and other eight prefectures and the Beijiang Provisional Administrative Committee.

In 1979, Guangdong Province governed Guangzhou, Haikou, Shantou, Zhanjiang, Maoming, Foshan, Jiangmen, Shenzhen, Zhuhai, Shaoguan and other 10 cities, divided into Shaoguan, Huiyang, Meizhou, Shantou, Foshan, Zhanjiang, Zhaoqing, and other 7 areas and Hainan Administrative Region.

October 1984, the abolition of the Hainan Provincial Office, the Hainan Provincial People's Government was formally proclaimed. 1981, the Hainan Provincial Office under the jurisdiction of the Hainan Li and Miao Autonomous Prefecture and jurisdiction over Qiongshan, Wenchang, Linggao, Chengmai, Qionghai, Tunchang, Danxian, Wanning, Ding'an 9 counties and 1 city, set up in Xisha, Spratly, and Spratly Islands Office.

In 1987, the abolition of Hainan Li and Miao Autonomous Prefecture. on April 13, 1988, the abolition of Hainan Administrative Region of Guangdong Province, the establishment of Hainan Province and Hainan Special Economic Zone.

On June 21, 2012, an announcement by the Ministry of Civil Affairs declared that the State Council had officially approved the abolition of the offices of the Xisha Islands, the Nansha Islands and the Zhongsha Islands, and the establishment of the prefecture-level city of Sansha, with the government stationed on Yongxing Island in Xisha.

Reference for the above: Baidu Encyclopedia-Hainan