Agia Triada, Kastoria

Agia Triada (Αγία Τριάδα) is a former municipality in Kastoria regional unit, Western Macedonia, Greece. Since the 2011 local government reform it is part of the municipality Kastoria, of which it is a municipal unit. The municipal unit has an area of 99.092 km2. Population 5,676 (2021). The seat of the municipality was in Maniakoi.