As one of the four largest islands in the South China Sea, the Southwest Zhongsha Islands has always been under the jurisdiction of the People's Government of Guangdong Province of China. In 1988, Hainan established a province, and immediately put these islands and reefs and their sea areas under the jurisdiction of Hainan Province. Consisting of Yongle Islands and Xuande Islands, it has 22 islands, 7 sandbars and more than 10 reefs and shoals
