- a river in ancient Thrace, flowing into the Hellespont: near its mouth the Athenian fleet was defeated by Lysander, 405 b.c., in the last battle of the Peloponnesian War.
- a river of ancient Thrace that flowed into the Hellespont. At its mouth the Spartan fleet under Lysander defeated the Athenians in 405 bc, ending the Peloponnesian War