Bithynia
The tribe of the Bebrykes lived in Bithynia close to Propontis
Coordinates:44° 0' 0" N, 35° 0' 0" E
Bebrykes was the location of a boxing match in ancient mythology was the contest between Polydeukes and Amykos, the king of the Bebrykes, who lived in Bithynia on the Black Sea. This king would challenge all foreigners traveling through his country in a boxing match against him and killed them all. Polydeukes proved to be too tough a competitor for the king and he made him promise to leave the foreigners in peace
Amykos was yet another son of Poseidon
It is referenced in the following articles Jason and the Argonauts, Polydeukes, Polyphemos (Argonaut), The Odyssey and the Argonauts
Bithynia was also first campaign fought by Julius Caesar under the praetor, M. Thermus. He was alleged to have had a homosexual affair with King Nicomedes IV and was subsequently deprecatingly referred to as the Queen of Bithynia as described by Suetonius in The Twelve Caesars