| Chien-Cheng Circle | |
|---|---|
| 建成圓環 | |
 | |
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| Location | |
| Datong, Taipei, Taiwan | |
| Coordinates | 25°03′14″N 121°30′53″E / 25.0538°N 121.5147°E |
| Construction | |
| Type | Roundabout |
| Opened | 1908 (original structure) 2017 (current structure) |
The Chien-Cheng Circle (Chinese: 建成圓環; pinyin: Jiànchéng Yuánhuán; Pe̍h-ōe-jī: Kiàn-sêng Îⁿ-khoân) or Taipei Circle (Chinese: 臺北圓環; pinyin: Táiběi Yuánhuán; Pe̍h-ōe-jī: Tâi-pak Îⁿ-khoân) is a public plaza in Datong District, Taipei, Taiwan. Formerly it was a traffic circle, and the area used to host a bustling night market.