Chalcedon, Ancient Greek polis near Bosporus, Turkey.
The settlement occupies a peninsula on the eastern shore of the Bosporus, opposite the location of modern Istanbul, near the Kurbağalıdere stream.
Greek colonists from Megara established Chalcedon in 685 BCE, creating a settlement that predated the founding of Byzantium by seventeen years.
The Fourth Ecumenical Council of 451 CE convened in Chalcedon to establish fundamental Christian doctrinal principles regarding Christ's divine nature.
The remains of ancient Chalcedon now lie within the Kadıköy district of Istanbul, accessible through various transportation routes from the European side.
The mineral chalcedony derives its name from this ancient city, which supplied construction materials for the development of Constantinople.
Location: Kadıköy
Inception: 680 BCE
GPS coordinates: 40.98333,29.03333
Latest update: May 26, 2025 20:55
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