Drainage basins of the Aegean Sea

The Spercheios (, Sperkheiós), also known as the Spercheus from its Latin name, is a river in Phthiotis in central Greece. It is long, and its drainage area is . It was worshipped as a god in the ancient Greek religion and appears in some collections of Greek mythology. In antiquity, its upper valley was known as Ainis. In AD 997, its valley was the site of the Battle of Spercheios, which ended Bulgarian incursions into the Byzantine Empire.

river through Athenian plain, Greece

The Ilisos or Ilisus (, ) is a river in Athens, Greece. Originally a tributary of the Kifisos, it has been rechanneled to the sea. It is now largely channeled underground, though as of June 2019 there were plans to unearth the river. Together with the neighbouring river Kifisos, it drains a catchment area of .

river in Central Macedonia region, Greece

The Loudias () or Lydias (Λυδίας), popularly called Mavroneri (Μαυρονέρι, "Blackwater", from its Ottoman Turkish name Kara Asmak قره آصماق) is a river in Central Macedonia that flows through the regional units of Pella and Thessaloniki draining into the Thermaic Gulf through the Axios Delta National Park. Its drainage basin is .

river in Boeotia and northern Attica, Greece

river in Argolis, Greece

river in Lamia municipality, Greece

seasonal river/torrent in Argolis, Greece