Shangchuan Island

Shangchuan Island also written (Schangschwan, Sancian, Sanchão, Chang-Chuang or St. John's Island) is the main island of Chuanshan Archipelago on the southern coast of China. Its name originated from São João ("Saint John" in Portuguese). It is part of the Guangdong province, in the South China Sea. Located 14 km from the mainland, it is the largest island in the province. The largest island of the province used to be Hainan Island, which was carved out of Guangdong to form a separate province in 1988.