Lower Potamus, Potamus Hypenerthen or Potamos Hypenerthen ( grc, Ποταμός ὑπένερθεν), was a

deme In Ancient Greece, a deme or ( grc, δῆμος, plural: demoi, δημοι) was a suburb or a subdivision of Athens and other city-states. Demes as simple subdivisions of land in the countryside seem to have existed in the 6th century BC and ear ...

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 An ion () is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and opposite to the charge of a proton, which is considered to be positive by conven ...

. Lower Potamus is tentatively located at Panepistemioupolis.

References

Populated places in ancient Attica Former populated places in Greece Demoi {{AncientAttica-geo-stub