Agia Triada, Ayia Triada, or Hagia Triada is Greek for Holy Trinity (Αγία Τριάδα), and common toponym. It may refer to:
Hagia Triada, an archaeological site of the Minoan civilization in Crete, Greece Agia Triada, Boeotia, a village in Boeotia, Greece Agia Triada, Corfu, a village in Corfu, Greece Agia Triada, Elis, a village in Elis, Greece Agia Triada, Eretria, an islet close to Eretria, Greece Agia Triada, Evrytania, a village in Evrytania, Greece, Greece Agia Triada, Kastoria, a municipal unit in Kastoria regional unit, Greece Agia Triada, Lasithi, a village in Lasithi, Greece Agia Triada, Limassol, a quarter in Limassol, Cyprus Agia Triada, Magnesia, a village in Magnesia, Greece Agia Triada, Phthiotis, a village in Phthiotis, Greece Agia Triada, Thessaloniki, a village in the Thessaloniki regional unit, Greece Agia Triada, Trikala, a village in the Trikala regional unit, Greece Agia Triada, Cyprus, home to a basilica of the same name
Churches and monasteries
Hagia Triada Cathedral, Piraeus Agia Triada Monastery, Crete, Greece Hagia Triada Church, Ayvalık Hagia Triada Church, Istanbul Monastery of the Holy Trinity, Meteora