Built as a miniature of the Hagia Sophia in Constantinople in the 7th century, the cathedral contains beautiful Byzantine frescoes and mosaics. Agia Sofia is one of the oldest churches in the city still standing today and is included as a World Heritage Site on the UNESCO list.
Address: Cathedral Church of Agia Sophia of Thessalonica, Agia Sofia Square, Thessaloniki
Opening hours: Daily 7am–8pm
+30 231 027 0253