Amastris

“Sesamos”, “Amastris” in Persian Empire  period, “Amastedos” in Byzantine period , and “Amasra”,  a coastal town on Black
Sea coast has been an important trade centre for long time. It was founded by the Phoenicians in the XII.century BC. After a dark period  of the IX century when Phoenicians hehave left their colonies later Amasra was settled by Ionians in the VIII century BC

Sources:

1. Philipp Niewohner, The Archaeology of Byzantine Anatolia: From the End of Late Antiquity until the Coming of the Turks, Oxford University Press 2017
2. Max Ritter, The End of Late Antiquity in Paphlagonia: Desurbanization from a Comparative Perspective,  Landscape Dynamics and Settlement Patterns in Northern Anatolia during the Roman and Byzantine Period, 2013 (pp.119-133
3. http://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.04.0006:entry=amastris
4. Ercan Verim, Amasra'da Bizans Dönemi Üç Eser: Tavşan Adası Manastırı, Amasra Kilisesi ve Küçük Kilise