Church of St. Nicholas Orphanos

The Church of Saint Nicholas Orphanos (Ἅ ὁ Ὀ) is an early 14th-century Byzantine church in the northern Greek city of Thessaloniki. Covered in outstanding Byzantine frescoes, the church is inscribed on the UNESCO World Heritage List along with other Paleochristian and Byzantine monuments of Thessaloniki, demonstrating the importance of Thessaloniki in early Christian history.

Church data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).