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
Presidency of Dwight D. Eisenhower States and seven other countries created the Southeast Asia Treaty Organization (SEATO), a defensive alliance dedicated to preventing the spread of Communism in Southeast Asia. In 1954, China began shelling tiny islands off the coast of Mainland China which were controlled by the Republic of China (ROC). The shelling nearly escalated to nuclear war as Eisenhower considered using nuclear weapons to prevent the invasion of Taiwan, the main island controlled by the ROC. The crisis ended when China ended the shelling and both sides agreed to diplomatic talks; a second crisis in 1958 would end in a similar fashion. During