| Taichung–Changhua metropolitan area | |
| Coordinates: | 24.1167°N 160°W |
| Subdivision Type: | Country |
| Subdivision Name: | Republic of China (Taiwan)---- |
| Subdivision Type1: | Major Cities |
| Subdivision Name1: | Taichung Changhua |
| Area Metro Km2: | 1,801.2517 |
| Population As Of: | End of April 2019 |
| Population Metro: | 4,280,000 |
| Population Density Metro Km2: | 2,099.78 |
The Taichung–Changhua metropolitan area is the second largest metropolitan area of Taiwan. Prior to 2010, It was officially defined as including the following areas:
Since the merger of Taichung City and the former Taichung County, the term is no longer in official usage.[1]