The Erdini (Έρδινοι) or Erpeditani (Έρπεδιτανοι) were a people of referred to in

Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of import ...

's 2nd century ''

Geography Geography (from Greek: , ''geographia''. Combination of Greek words ‘Geo’ (The Earth) and ‘Graphien’ (to describe), literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, a ...

'' as living in the north-west of

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

, in the area of

Donegal Bay Donegal Bay (''Bá Dhún na nGall'' in Irish) is an inlet (or bay) in the northwest of Ireland. Three counties – Donegal to the north and west, Leitrim and Sligo to the south – have shorelines on the bay, which is bounded on the ...

.Philip Freeman, ''Ireland and the Classical World'', University of Texas Press, 2001, p. 75

References

Prehistoric Ireland Tribes of ancient Ireland {{Ireland-hist-stub