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
Politics of the Republic of China population descends from Han Chinese who migrated from mainland China between 1661 and 1895. Another significant fraction descends from Han Chinese who immigrated from mainland China in the 1940s and 1950s. But between 1895 and the present, Taiwan and mainland China have shared a common government for only 4 years. The shared cultural origin combined with several hundred years of geographical separation, some hundred years of political separation and foreign influences, as well as hostility between the rival Taiwan and China have resulted in national identity being a contentious issue with political overtones. Since democratization and the lifting of martial