The Seven Ecumenical Councils

The Seven Ecumenical Councils were held in Turkey

1. Nicaea (Iznik)325 AD
2. Constantinopolis (Istanbul)381 AD
3. Ephesus (Selcuk)431 AD
4. Chalcedon (Kadikoy)451 AD
5. Constantinopolis (Istanbul)553 AD
6. Constantinopolis (Istanbul)681 AD
7. Nicaea (Iznik)787 AD