Famous for guarding royal palaces in London in their bearskin hats, they kicked off their visit with an incredible musical parade through Carrickfergus, followed by a spectacular performance beside Carrickfergus Castle.
Other events are:
A remembrance event, at Belfast City Hall Cenotaph, 10.30am tomorrow (Friday);
Beating the retreat at Edenmore Golf and Country Club, Moira, 7pm tomorrow;
A parade through Bangor at 3pm on Saturday from Castle Park Road, with some 300 personnel, followed by a static concert at the town hall at 4pm;
And the laying up of old colours at an invitation-only 3pm service on Sunday at St Mark's Parish Church, east Belfast.
A parade preceding the service starts at Campbell College at 2pm and proceeds along the Belmont and Holywood Roads to St Mark's Church, and at 4.20pm the parade will leave the church and conclude at Ashfield School on the Holywood Road.
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The Irish Guards have served with distinction in conflicts across the world, including both World Wars, Iraq and Afghanistan Photo: Arthur Allison/Pacemaker Press
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The parade passes up the main street of Carrickfergus with the Town Hall in the background Photo: Arthur Allison/Pacemaker Press
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The parade snakes past Dobbin's Hotel and Bell's newsagent Photo: Arthur Allison/Pacemaker Press
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Known affectionately as the ‘the Micks’, the regiment's soldiers are part of the Household Division and take part in many of the UK’s most prestigious Royal and State occasions, including the Changing of the Guard at Buckingham Palace and the King’s Birthday Parade Photo: Arthur Allison/Pacemaker Press