: Eth. Βρυλλιανός;
Steph. s. v.), a city on the Propontis in Bithynia. Stephanus reports that it was Cius, according to Ephorus, by which he probably means that Bryllium was the old name of Cius.
There was a district Bryllis which contained the small town of Dascyleium. Pliny (5.32
) mentions Bryllium, which he evidently takes to be a different place from Cius, but near to it.