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
History of the administrative divisions of China (1912–49) of pro-independence President Chen Shui-bian (2000–2008) did not actively claim sovereignty over all of China, Thus, the claimed area of the ROC continues to include mainland China, several off-shore islands, and Taiwan. Beginning in 2006, the ROC Yearbook, under Chen's administration, ceased displaying official administrative divisions in mainland China. It recognized two provinces (Taiwan and Fukien) and two special municipalities (Taipei and Kaohsiung). President Ma Ying-jeou reasserted the ROC's claim to be the sole legitimate government of China and the claim that mainland China is part of ROC's territory. He does not, however, actively seek reunification, and prefers to maintain