Holy Island is a small
island (approx. 8x4 miles) on the western side of
Anglesey,
Wales, to which it is connected by causeways carrying the A5/A55 road and the main railway line to
Chester and
London. The main settlement is the port of
Holyhead, from which passenger ferries travel to
Dun Laoghaire and
Dublin,
Ireland, and freight ferries also travel to Dublin.
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