The Erdini (Έρδινοι) or Erpeditani (Έρπεδιτανοι)[1] were a people of referred to in Ptolemy's 2nd century Geography as living in the north-west of Ireland, in the area of Donegal Bay.[2][3]


  1. ^ T. F. O'Rahilly, Early Irish History and Mythology, Dublin Institute for Advanced Studies, 1946, p. 2
  2. ^ Ptolemy, Geography 2.1
  3. ^ Philip Freeman, Ireland and the Classical World, University of Texas Press, 2001, p. 75