Hagios Demetrios
| UNESCO World Heritage Site | |
|---|---|
| Façade of the Basilica of Hagios Demetrios | |
| Location | Thessaloniki, Macedonia, Greece | 
| Part of | Paleochristian and Byzantine monuments of Thessaloniki | 
| Criteria | Cultural: (i), (ii), (iv) | 
| Reference | 456-004 | 
| Inscription | 1988 (12th Session) | 
| Area | 1.16 ha (2.9 acres) | 
| Coordinates | 40°38′20″N 22°56′52″E / 40.63889°N 22.94778°E | 
The Church of Saint Demetrius, or Hagios Demetrios (Greek: Άγιος Δημήτριος), is the main sanctuary dedicated to Saint Demetrius, the patron saint of Thessaloniki (in Central Macedonia, Greece), dating from a time when it was the second largest city of the Byzantine Empire. Since 1988, it has been on the UNESCO World Heritage List as a part of the site Paleochristian and Byzantine monuments of Thessaloniki.