岛礁

Nanzi Island (Southwest Cay), which lies in the south of Shuangzi Reef (North Danger Reef) of Nansha Islands (Spratly Islands) in the South China Sea, was first occupied by Philippine in 1971, and later captured by South Vietnam in 1975. After the reunification of Vietnam in 1975, it has been a Vietnamese-occupied island up to today. As one of the main islands of Shuangzi Reef (North Danger Reef), it is oval in shape, about 650m in length, 500m in width, and lies from the northeast to southwest.