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
Fujian Province, Republic of China which ended in 1895. During the Chinese Civil War, the ROC lost control of mainland China, including most of Fujian province, and was forced to relocate to Taiwan, while the victorious Chinese Communist forces established the PRC in 1949, subsequently the capital of Fujian was also moved from Foochow to Jincheng. In the Battle of Guningtou, however, ROC forces were able to defend the island of Quemoy (Kinmen) just off the coast of Fujian from communist attack. As a result, the ROC has been able to hold on to a number of offshore islands of Fujian, and has continued to