Donghai Island is an island in the southeast part of the urban area of Zhanjiang

Zhanjiang

Zhanjiang , formerly known as Tsamkong, Tsankiang, Fort-Bayard, and Kwang-Chou-Wan, is a prefecture-level city at the southwestern end of Guangdong province of Southern China, facing the island of Hainan to the south....

, Guangdong

Guangdong

Guangdong is a province on the South China Sea coast of the People's Republic of China. The province was previously often written with the alternative English name Kwangtung Province...

, People's Republic of China. It has a coastline of 159.48 kilometres (99.1 mi), with a total area of 286 sqkm, making it the largest island of Guangdong and China's fifth largest island. In 2008, it had a permanent population of around 211,000.