Historical place profile
Helikore / Nicaea
Nicaea in Bithynia was an imperial and ecclesiastical meeting place, above all for the councils of 325 and 787.
Historical layers
- Greek and Hellenistic city
- Roman Bithynian centre
- First Council of Nicaea
- Second Council of Nicaea
- Byzantine and Ottoman history
Church-history significance
The council of 325 addressed the Arian crisis and issued the Nicene creed; the council of 787 addressed iconoclasm. Their different questions and documentary corpora must not be blended.
Primary and geographic sources
- Pleiades place 511268
- Acts and canons of Nicaea I (325)
- Acts of Nicaea II (787)
Map semantics
The coordinate at 40.42909366666667, 29.714681666666667 is a representative_point_not_boundary. It anchors the place for research and does not assert one unchanging urban, political or ecclesiastical boundary across all periods.
Catalogue record
- Research ID
- catholon:place:pleiades:511268
- Catalogue ID
- pleiades:511268
- Place type
- settlement
- Precision
- precise
- Provenance
- Barrington Atlas: BAtlas 52 F4 Helikore/Nicaea