Taiwan, Chinese (Wade-Giles romanization) T’ai-wan or (Pinyin) Taiwan, Portuguese Formosa, island in the western Pacific Ocean that lies roughly 100 miles (160 km) off the coast of southeastern China. It is approximately 245 miles (395 km) long (north-south) and 90 miles (145 km) across at its widest point.
https://www.britannica.com/place/Taiwan

