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 independence movement and change the island's name from the “Republic of China” to “Taiwan,” and apply for membership in the United Nations. A second view is that Taiwan is already an independent nation with the official name “Republic Of China,” which has been independent (i.e. de facto separate from mainland China) since the end of the Chinese Civil War in 1949, when the ROC lost control of mainland China, with only Taiwan (including the Penghu islands), Kinmen, the Matsu Islands off the coast of Fujian Province, and some of the islands in the South China Sea remaining under its administration. Although previously