They are called respectively - beginning with the northernmost - Inishmore (or Aranmore), the Great Island; Inishmaan, the Middle Island; and Inisheer, the Eastern Island.
In Inishmore there stand, on a cliff 220 ft.
There are seven other similar structures in the group. Inishmore also bears the name of Aran-na-naomh, Aran-of-the-Saints, from the number of religious recluses who took up their abode in it, and gave a celebrity to the holy wells, altars and shrines, to which many are still attracted.
On Inishmore are remains of the abbey of Killenda.
Romani" on a stone in the church Teampull Brecain on Inishmore, attributed to disciples from Rome.