Nikaian

Nikaian is an adjective and demonym used to describe things connected with Nicaea/Nikaia, a name shared by several places in antiquity and in modern Greece. The term comes from the Greek Νίκαια (Nikaia), meaning "the city of victory," and the form Nikaian is built from that root.

Historic Nicaea refers to the ancient city in northwestern Asia Minor, near Lake Iznik in present-day Turkey. It was a major urban center in Hellenistic, Roman, and Byzantine periods and is best known as the site of the First Council of Nicaea in 325 CE, which produced an early version of the Nicene Creed.

In contemporary usage, Nikaia can refer to different places that carry the name. Iznik, the site of ancient Nicaea, is a town in Bursa Province, Turkey, with archaeological remains from antiquity. In Greece, Nikaia (Νίκαια) is a district and former municipality in the Athens metropolitan area, now part of the municipality of Nikaia-Agios Ioannis Rentis in Attica. Residents or things associated with these places may be described as Nikaians.

The term also appears in scholarly contexts, particularly in studies of early Christianity and ancient urban networks. Variants include Nicene and Nikean, both derived from the same root.