- an island separated from the southeast coast of China by the Taiwan Strait: a possession of Japan 1895–1945; restored to China 1945; seat of the Republic of China since 1949. Capital: Taipei.
- an island in SE Asia between the East China Sea and the South China Sea, off the SE coast of the People's Republic of China: the principal territory of the Republic of China; claimed by the People's Republic of China since its political separation from mainland China in the late 1940s. Pop: 23 299 716 (2013 est)