The urban areas of Hainan included the Haikou City and Sanya City. The Haikou City had jurisdiction over Xiuying District, Longhua District, Qiongshan District, and Meilan District, while the Sanya City had jurisdiction over Yazhou District, Tianya District, Jiyang District, and Haitang District.

There were four districts in Hainan Province.
Neijiang City had two districts, namely Shizhong District and Dongxing District.
It was the capital city of Hainan Province, not a city in Hainan.
Dongfang City in Hainan was about 165 kilometers away from Sanya City.
You can make districts based on the city's history or cultural background. Maybe a historical district to preserve old buildings or a cultural district for art galleries and museums. Also, look at traffic flow and accessibility when deciding on the locations of the districts.
Hangzhou City 10 districts under its jurisdiction.
Hangzhou City had a total of 10 districts.
Baicheng City had jurisdiction over one district (Taobei District), two counties (Tongyu County and Zhenlai County), and two cities (Taonan City and Da 'an City). Changbai's novel is equally exciting. Everyone is welcome to click and read it!
The Main City of Hangzhou City included Shangcheng District, Xiacheng District, Jianggan District, Gongshu District, West Lake District, Binjiang District, Xiaoshan Strict, Yuhang District, Fuyang District, and Lin 'an District.
Danzhou was the second largest city in Hainan.