Pingtan Island Pingtan Island Pingtan Island () also called Haitan Island (海坛岛, "Hǎitán dǎo") is off the east coast of Fujian province, China. It is the largest island in Fujian and the fifth largest island in China. Pingtan, as a result of its 2010-built bridge connecting it to the mainland, makes it lie at the "de facto" narrowest gap between the island of Taiwan and the Chinese mainland. It has long been a standard point of distinction between the East China Sea and South China Sea. Administratively, the island has become part of Pingtan County, which includes the smaller surrounding islands and
Mainland China in English, is commonly applied by SAR governments to represent non-SAR areas of PRC, including Hainan province and coastal regions of mainland China, such as "Constitutional and Mainland Affairs" () and Immigration Departments. In the Mainland and Hong Kong Closer Economic Partnership Arrangement (as well as the Mainland and Macau Closer Economic Partnership Arrangement) the CPG also uses the Chinese characters "inner land", with the note that they refer to the "customs territory of China". In the United States' Taiwan Relations Act, the ROC-controlled islands of Quemoy and Matsu were excluded from the definition of "Taiwan". The House Foreign Affairs