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
Taiwan Province, People's Republic of China refers to some ROC government offices and institutions using generic description which does not imply endorsement of the ROC's claim to be a legitimate government of either Taiwan or China. The precise replacements used are not officially designated, so the politically-designated names for Taiwan have small variations across different source from within the PRC. For some cases, where the name does not significantly imply sovereignty, the name remains the same, such as for the "Mainland Affairs Council", "County" and "Mayor". The PRC's current policy proposal for a potential future reunification with Taiwan includes a proposal for Taiwan to become a