Geography of Taiwan and has an area of (including some minor islands). The shape of the main island is similar to a sweet potato oriented in a south-to-north direction, and therefore Taiwanese, especially the Min Nan speakers, often call themselves "children of the Sweet Potato". The central point of the island is the Geographic Center of Taiwan in Puli Township, Nantou County. The southernmost point of the island is the Taiwan Southernmost Point in Hengchun Township, Pingtung County. The island of Taiwan is separated from the southeast coast of China by the Taiwan Strait, which ranges from at its widest point to at
Nationality law of the People's Republic of China restrictions as long as they arrive from a third country. In accordance with the "Act Governing Relations between the People of the Taiwan Area and the Mainland Area" of the ROC, any ROC national with Household Registration (ROC nationals with full citizenship rights in Taiwan) who obtains a passport issued to Mainland residents of the PRC or hukou of Mainland China, automatically loses his Household Registration in Taiwan, which in turn causes the loss of the person's citizenship rights in the ROC (since he or she has already obtained the "de facto" citizenship of Mainland China). However, the person does