Island in the Inner Hebrides; site of an abbey founded by St Columba (4)

I believe the answer is:

iona

(Other definitions for iona that I've seen before include "Scottish land known for St Columba" , "St Columba's island of the Inner Hebrides" , "Isle of the Inner Hebrides, made famous by St Columba" , "Scots monastery isle" , "holy site" .)

I've seen this clue in The Mirror.

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