The Taipei Grand Mosque (Chinese: 台北清真寺; pinyin: Táiběi Qīngzhēnsì; Pe̍h-ōe-jī: Tâi-pak Chheng-chin-sī) or Taipei Zheng He Mosque (Chinese: 台北鄭和清真寺; pinyin: Táiběi Zhèng Hé Qīngzhēnsì; Pe̍h-ōe-jī: Tâi-pak Tēⁿ Hô Chheng-chin-sī) is the largest and oldest mosque in Taiwan. Located in the Da'an District of Taipei City, it is Taiwan's most important Islamic structure.