Geography of Taiwan and Green Island to the southeast, separated from the northernmost islands of the Philippines by the Bashi Channel. The islands of Kinmen and Matsu near the coast of Fujian across the Taiwan Strait have a total area of ; the Pratas and Taiping islets in the South China Sea are also administered by the ROC, but are not part of the Taiwanese archipelago. The island of Taiwan was formed approximately 4 to 5 million years ago at a complex convergent boundary between the Philippine Sea Plate and the Eurasian Plate. In a boundary running the length of the island and
Mainland China area occupied by PRC as "mainland", since it is officially considered still part of the ROC territory but just enemy occupied. In contrast, the pro-Taiwan independence Democratic Progressive Party (DPP) prefer to use the term "China" instead, referring to the PRC, to imply that Taiwan (ROC) is separate from China. Related to this naming and broader national identity issue, the DPP would also like to amend the ROC constitution to limit its scope and territorial description to the Free area of the Republic of China only and rectify the ROC country name to "Republic of Taiwan" instead, thereby eliminating the