Iona UK /aɪˈəʊnə/US /aɪˈoʊnə/ noun1 •A small island in the Inner Hebrides, Argyll and Bute council area, Scotland.They say you go to Iona when your life is in transition. The 3 by 1.5-mile island is a holy site because it was the first point of contact between Scotland and Christianity. — 2025