council-site
Chalcedon
Kadıköy, Istanbul
40.983, 29.033
Attested. The council and its definition are extensively documented, including in later act collections.

The city on the Asian shore opposite Constantinople where bishops met in 451 and adopted the two-natures definition.
Sources
No separate modern citation is attached to this place. The confidence note above is the atlas summary of the evidence.
Cited notes
451. Council of Chalcedon; the Oriental Orthodox split.
See Councils page (sources there) · Unverified in the source note
Further reading
Councils here
- Chalcedon (451)