Geography of Taiwan and Green Island to the southeast, separated from the northernmost islands of the Philippines by the Bashi Channel. The islands of Kinmen and Matsu near the coast of Fujian across the Taiwan Strait have a total area of ; the Pratas and Taiping islets in the South China Sea are also administered by the ROC, but are not part of the Taiwanese archipelago. The island of Taiwan was formed approximately 4 to 5 million years ago at a complex convergent boundary between the Philippine Sea Plate and the Eurasian Plate. In a boundary running the length of the island and
Central Bank of the Republic of China (Taiwan) China. Following the success of the Northern Expedition, the Central Bank took over the role of central bank for China from the Bank of China in 1928, with its headquarters in Shanghai. Before 1949, it was one of China's "Big Four" national banks, along with the Bank of China, Bank of Communications, and Farmers Bank of China. After the loss of mainland China in the Chinese Civil War by the Kuomintang (KMT) and its subsequent retreat to Taiwan in December 1949, the Central Bank of China also moved along with the government to Taiwan. Until it was re-established as central