Caotun
| Caotun Township 草屯鎮 | |
|---|---|
| The old town of Caotun | |
| Caotun Township in Nantou County | |
| Location | Nantou County, Taiwan | 
| Government | |
| • Type | Urban township | 
| Area | |
|  • Total | 104 km2 (40 sq mi) | 
| Population  (February 2023) | |
|  • Total | 96,838 | 
| Caotun Township | |
|---|---|
| Chinese | 草屯鎮 | 
| Hanyu Pinyin | Cǎotún Zhèn | 
| Wade–Giles | Ts'ao3-t'un2 Chen4 | 
| Pha̍k-fa-sṳ | Tshó-thùn-tsṳ́n | 
| Hokkien POJ | Chháu-tūn-tìn | 
Caotun Township, formerly transliterated as Tsaotun Township, is an urban township in the northwest of Nantou County, Taiwan. It is the largest township in Taiwan by population.