Geography of Taiwan Geography of Taiwan Taiwan, formerly known as Formosa, is an island in East Asia; located some off the southeastern coast of mainland China across the Taiwan Strait. It has an area of , which includes other nearby islands such as Penghu (). The East China Sea lies to the north, the Philippine Sea to the east, the Luzon Strait directly to the south and the South China Sea to the southwest. The island makes up 99% of the current territory of the Republic of China, which is also known as "Taiwan". Taiwan is a tilted fault block, characterized by the
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