What is the extent of the South China Sea Islands on the map of China?

The South China Sea Islands are the general name of many islands, sandbars, reefs, shoals and shoals within the range of about 900 km from east to west, about 0/800 km from Hainan, China. They start from Wei Bei Beach in the north, Wan 'an Beach in the west, Zengmu shoal in the south and Huangyan Island in the east. From north to south, it can be roughly divided into dongsha islands, Xisha Islands, zhongsha islands and Nansha Islands, but it does not include Anambas Islands and Natuna Islands, which are also located in the South China Sea. The total area of the South China Sea Islands is about 164.74km? 0? 5。 Dongsha islands is about 1.74km? 0? 5. Xisha Islands is about 10km? 0? 5. zhongsha islands is about 150km? 0? 5. Nansha islands is about 3km? 0? 5。