Byllis considered Nikaia to be one of its demes .
This Koinon of the Bylliones did not refer to an ethnos , but to the coalition of Byllis and Nikaia to which it was restricted .
Byllis considered Nikaia to be one of Nikaia 's demes .
This Koinon of the Bylliones did not refer to an ethnos , but to the coalition of Byllis and Nikaia to which it was restricted .