Prefecture-level divisions of Hainan

Haikou is the capital and most populous city of the Chinese province of Hainan. Haikou city is situated on the northern coast of Hainan, by the mouth of the Nandu River. The northern part of the city is on the Haidian Island, which is separated from the main part of Haikou by the Haidian River, a branch of the Nandu. Administratively, Haikou is a prefecture-level city, comprising four districts, and covering . There are 2,046,189 inhabitants in the built-up area, all living within the four urban districts of the city.

Sanya is a resort city and the southernmost city on Hainan Island, and one of the four prefecture-level cities of Hainan Province in South China. It is a major tourist destination with several large scale resorts and contains the Sanya coral reef, a national protected nature reserve spanning 4000 hectares. Phoenix Island, an artificial island with a seven-star resort (one of the few in the world) and a complex of five-star hotels, is in Sanya Bay. The Guanyin of Nanshan, a Buddhist statue of Guanyin, is the thirteenth tallest statue in the world and is located in Sanya.

Danzhou () is a prefecture-level city in the northwest of the Chinese island province of Hainan. The administrative seat and urban center of Danzhou is Nada Town. Danzhou was upgraded from a county-level city into a prefecture-level city in February 2015.

Sansha City () is a prefecture-level city under the Hainan province of China. It is the southernmost and least populated prefecture in China by far, with the smallest land area but the largest maritime territory. The city's seat is located on Yongxing Island in the South China Sea, and administers (actually or nominally) several island groups, atolls, seamounts and a number of other ungrouped maritime features within the nine-dash line, although the PRC's de facto control over the area varies. The name "Sansha", literally meaning "three sands", refers to the three archipelago districts of Xish