Taiwan and larger than Belgium. The island of Taiwan has an area of , and lies some from the southeastern coast of mainland China across the Taiwan Strait. The East China Sea lies to the north, the Philippine Sea to the east, the Bashi Channel of the Luzon Strait directly to the south, and the South China Sea to the southwest. Its shape is similar to a sweet potato, giving rise to the slang term "hanji" ("sweet potato" in Hokkien) used by Taiwanese Hokkien speakers to refer to people of native Taiwanese descent. The island is characterized by the contrast between
Mainland China in English, is commonly applied by SAR governments to represent non-SAR areas of PRC, including Hainan province and coastal regions of mainland China, such as "Constitutional and Mainland Affairs" () and Immigration Departments. In the Mainland and Hong Kong Closer Economic Partnership Arrangement (as well as the Mainland and Macau Closer Economic Partnership Arrangement) the CPG also uses the Chinese characters "inner land", with the note that they refer to the "customs territory of China". In the United States' Taiwan Relations Act, the ROC-controlled islands of Quemoy and Matsu were excluded from the definition of "Taiwan". The House Foreign Affairs