Sanya, located at the southernmost tip of Hainan Island, is the southernmost tropical coastal tourist city in China and the coastal city with the best air quality and the longest life span (average life span is 80 years) in China. ?

Sanya, also known as "Oriental Hawaii" and Lucheng, ranks first among the four first-tier tourist cities in China and has the most beautiful seaside scenery in the whole island. ?

Sanya is adjacent to Lingshui County in the east, Ledong County in the west, Baoting County in the north and Nanhai in the south. The total land area is 19 19.58km? , with a total area of 6000km? , of which the planned urban area is about 37 square kilometers. It is 9 1.6km long from east to west and 5 1km wide from north to south. The resident population is 7410.9 million, and there are more than 20 ethnic groups including Han, Li, Miao and Hui. Sanya is the central city and transportation hub in the south of Hainan Province, and it is also one of the most important foreign trade ports at the southernmost tip of the golden coastline along the southeast coast of China.