Geography of Taiwan its narrowest. Part of the continental shelf, the Strait is no more than deep, and has become a land bridge during glacial periods. To the south, the island of Taiwan is separated from the Philippine island of Luzon by the -wide Luzon Strait. The South China Sea lies to the southwest, the East China Sea to the north, and the Philippine Sea to the east. Smaller islands of the archipelago include the Penghu islands in the Taiwan Strait west of the main island, with an area of , the tiny islet of Xiaoliuqiu off the southwest coast, and Orchid Island
Mainland China the term "Mainland China" is agreeable to both sides since they both conceive "China" as including mainland and Taiwan, and therefore need this term to distinguish the two areas. However, since it was the KMT who came to this consensus with China, the Pan Green Coalition does not embrace this term as the Pan Blue Coalition does. In Taiwan, under the concept of "Mainlander" another comparative term often used is "waishengren" (), which are the people who immigrated to Taiwan from mainland China with the Kuomintang (KMT) around the end of the Chinese Civil War in 1949, as well as