海南省三沙市位于我国南海,于2012年6月21日设立,是我国地理纬度位置最南端的城市,下辖西沙群岛、南沙群岛、中沙群岛的岛礁及其海域。三沙市涉及岛屿面积13平方公里,海域面积260多万平方公里,拥有多项城市之最—我国陆地面积最小的城市(13平方公里),我国海洋面积最大的城市,我国人口最少的城市(约1000人),我国岛屿、岛礁最多的城市(西沙、南沙、中沙群岛包括260多个岛、礁、沙、滩,散在南海上,东西相 Located in the South China Sea, Hainan Province, Sansha was established on June 21, 2012. It is the southernmost city in the geographical latitude of China with jurisdiction over the islands and reefs of the Xisha Islands, Nansha Islands and Zhongsha Islands and their waters. Sansha City covers an area of ​​13 square kilometers island, the sea area of ​​more than 2.6 million square kilometers, with many of the city’s most - China’s smallest land area of ​​the city (13 square kilometers), China’s largest marine area cities, China’s most populous cities 1000 people), China’s most islands and reefs (Xisha, Nansha, Zhongsha Islands, including more than 260 islands, reefs, sand beaches, scattered in the South China Sea, East and West