Rhoe () was a port town of ancient Bithynia in Asia Minor on the shore of the Pontus Euxinus. It was located 20 stadia east of Calpe, on a steep promontory and contained a road fit only for small vessels. It was inhabited during Roman and Byzantine Empire times. Its site is located near Kefken in Asiatic Turkey. References Populated places in Bithynia Former populated places in Turkey History of Kocaeli Province Roman towns and cities in Turkey Populated places of the Byzantine Empire