Founded in 315 B.C., the provincial capital and sea port of Thessalonika was one of the first bases for the spread of Christianity. Among its Christian monuments are fine churches, some built on the Greek cross plan and others on the three-nave basilica plan. Constructed over a long period, from the 4th to the 15th century, they constitute a diachronic typological series, which had considerable influence in the Byzantine world. The mosaics of the rotunda, St Demetrius and St David are among the great masterpieces of early Christian art.
Criteria for inclusion as a World Heritage Site
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i | To represent a masterpiece of human creative genius. | All |
ii | To exhibit an important interchange of human values, over a span of time or within a cultural area of the world, on developments in architecture or technology, monumental arts, town-planning or landscape design. | All |
iv | To be an outstanding example of a type of building, architectural or technological ensemble or landscape which illustrates (a) significant stage(s) in human history. | All |
About the source
Within UNESCO's broad remit, this specialised agency of the UN works towards international cooperation agreements to secure the world's cultural and natural heritage, designating venues of exceptional value as World Heritage Sites.


Archaeological Site of Aigai (modern name Vergina)
The city of Aigai, the ancient first capital of the Kingdom of Macedonia, was discovered in the 19th century near Vergina, in northern Greece. The most important remains are the monumental palace, lavishly decorated with mosaics and painted stuccoes, an…