Early history
The place is said to have been colonized by Bottiaeans, and to have originally borne the name of Ancore (Ἀγκόρη) or Helicore (Ἑλικόρη), or by … See more

The bishopric of Nicaea remains as a titular see of the Roman Catholic Church, which has left the seat vacant since the death of its last titular bishop in 1976. It is also a titular See more

• List of ancient Greek cities See more

• Foss, Clive (1991). "Nicaea". In Kazhdan, Alexander (ed.). Oxford Dictionary of Byzantium. London and New York: Oxford University Press. pp. 1463–1464. See more

City walls
The ancient walls, with their towers and gates, are relatively well preserved. Their circumference is 3,100 m (10,171 ft), being at the base from 5 to 7 m (16 to 23 ft) in thickness, and from 10 to 13 m (33 to 43 ft) in height; they … See more

• Hipparchus (BC ca.190 - ca.120), Greek astronomer, geographer, and mathematician.
• See more

• Hazlitt, Classical Gazetteer, "Nicæa"
• T. Bekker-Nielsen, Urban Life and Local Politics in Roman Bithynia: The Small World of Dion Chrysostomos Aarhus, 2008.
• Çetinkaya, Halûk. Four Newly Discovered … See more