Taichung City is one of the provincial cities in Taiwan Province. It is located in central Taiwan, bordering Miaoli County and Hsinchu County in the north, Changhua County, Nantou County in the south, Central Mountain Range in Yilan County and Hualien County in the east, and Taiwan in the west. Strait. With a population of 2,215 square kilometers and a population of 2.68 million, it is the third largest urban administrative region in Taiwan. The Taichung City area was originally divided into Taichung City and Taichung County within the jurisdiction of Taiwan Province. It was merged into a provincial city on December 25, 2010 and became the only provincial city in central Taiwan. It is the core of development in central Taiwan and is in the Taichung Changhua Metropolitan Area, which is part of the adjacent Changhua County.