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
Politics of the Republic of China law, a distinct Taiwanese identity (as opposed to Taiwanese identity as a subset of a Chinese identity) is often at the heart of political debates. Its acceptance makes the island distinct from mainland China, and therefore may be seen as a step towards forming a consensus for "de jure" Taiwan independence. The pan-green camp supports a distinct Taiwanese identity, while the pan-blue camp supports a Chinese identity only. The KMT has downplayed this stance in the recent years and now supports a Taiwanese identity as part of a Chinese identity. According to a survey conducted in March 2009, 49% of