The metropolitan church of the city of Komotini is unique because of its architecture but also has a great religious value, the Byzantine castle, constructed on the foundation of a Byzantine church, and at a lower level from the surface of the soil. At the religious museum of the city housed at the imposing building of the workhouse, the visitor can see icons holly utensils and documents of the recent history of the city of Komotini.
Three monasteries surround the city of Xanthi: The monastery of "Panagia Arxaggeliotissa" the monastery of "Panagia Kalamou" and the one of "Pammegiston Taxiarxvn", where the Ecclesiastic School is hosted. At the monastery of Arxaggeliotissa there is also the religious museum of the Metropole of Xanthi the visitor can see manuscripts of the 12th and 13th century as well as ecclesiastic utensils from the Asia Minor. Next to Porto Lagos you can visit the St Nicholas church, a place unique for calmness and concetration.