2. Jiyang District is located in the central and eastern part of Sanya, Hainan Province. It is one of the four municipal districts in Sanya. Jiyang District was named after the old name of Jiyang Town. Jiyang District is surrounded by Beishan Mountain and faces the sea in the south. It has a natural environment and obvious advantages in location, resources and ecology.
Tianya District belongs to Sanya City, Hainan Province. Located in the middle and west of Sanya City, Hainan Province, it borders Jiyang District in the east, Yazhou District in the west, the sea in the south and Baoting Li and Miao Autonomous County in the north. It is the largest administrative district in Sanya. Because it is located at the ends of the earth, it is named Tianya District.
4. Haitang Bay Area is one of the four municipal districts in Sanya City, Hainan Province, and it is named after Haitang Bay, a national coastal area. Haitang District is located at the southern tip of Hainan Island, east of Sanya City, and is the east gate of Sanya City. Haitang Bay, Yalong Bay, Dadong Bay, Sanya Bay and Yazhou Bay in Sanya are also called the five famous bays in Sanya.
Yazhou District is one of the four municipal districts of Sanya City, Hainan Province, which is located in the west of Sanya City, Hainan Province. Because it is located in Guyazhou, Yazhou District is located in the west of Sanya, bordering Ledong County in the north and west. China's Asia Bay, Sanya's Yalong Bay, Dadong Bay, Sanya Bay and Haitang Bay are also called "the five famous bays in Sanya".