Panagia Chalkeon Church's well-preserved Byzantine architecture of Thessaloniki in early and medieval Christianity led it to be inscribed on the UNESCO World Heritage List

panagia chalkeon byzantine macedonia church center thessaloniki saloniki salonika salonica architecture christianity fortification secondlargest city in greece religion faith europe town sightseeing god touristic metropolitan area travel religious city houses mediterranean street jesus port urban greece praise worship beautiful historical stone belief spiritual day holy greek culture historic christ summer bible traditional idyllic famous