Upper Potamus, or Potamus Kathyperthen or Potamos Kathyperthen (Ancient Greek: Ποταμός καθύπερθεν), was a deme of ancient Attica.
It lay on the east coast north of Thoricus, and was once a populous place: it was celebrated as containing the sepulchre of Ion.
[1][2][3][4] Upper Potamus is tentatively located at Kaisariani monastery.
Dictionary of Greek and Roman Geography.
This article about a location in Ancient Attica is a stub.