Ionidae or Ionidai () 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 ...

in ancient Attica, of the ''

phyle ''Phyle'' ( gr, φυλή, phulē, "tribe, clan"; pl. ''phylai'', φυλαί; derived from ancient Greek φύεσθαι "to descend, to originate") is an ancient Greek term for tribe or clan. Members of the same ''phyle'' were known as ''symphylet ...

'' of

Aegeis Aigeis was a tribe (phyle) of Ancient Athens which contained twenty demes. The phyle comprised twenty demes named Lower and Upper Ankyle, Araphen, Bate, Diomeia, Erchia, Erikeia, Gargettos, Halai, Hestiaia, Ikarion, Ionidai, Kollytos, Kolo ...

, sending two delegates to the Athenian Boule. This deme, along with that of Cydantidae, venerated the ''kolokratai''; these two demoi were the only ones, as far as we know, to venerate deities together. Its site is tentatively located near Draphi.

References

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