The Prince of Wales and the Duchess of Cornwall dined at Áras an Uachtaráin tonight as guests of President Michael D Higgins and his wife Sabina, at the end of the first day of a three-day official visit to the Republic of Ireland.
Tomorrow Charles and Camilla are due to visit Kilkenny Castle, where they will be greeted by Minister for Foreign Affairs Charlie Flanagan.
Later in the day, Prince Charles will visit the UN training camp of the Irish Defence Forces at the Curragh.
The Duchess of Cornwall will visit the Irish National Stud and Japanese Gardens.
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In pictures: Royal visit to Ireland
Earlier today, the royals signed the visitors' book at the State Reception Room at Áras an Uachtaráin, after which the prince and President held a private meeting.
The royal party then met young people who had excelled in sport, art, music, science and advocacy.
This is part of the President's 'Ethics Initiative' which aims to stimulate discussion across all sectors of society on the challenges of living together ethically.
Among those who met the royals were sailor and Olympic silver medal winner Annalise Murphy and the captain of the Irish women's rugby team, Niamh Briggs.
Also introduced were schoolgirls Annie and Kate Madden who were winners at the BT Young Scientist exhibition.
They told RTÉ News that the prince and duchess were both friendly and interested in their business which produces a supplement to encourage horses to eat their feed.
Prince Charles earlier paid tribute to fallen police officers as he joined bereaved relatives at the opening of a memorial in Belfast.
He and Camilla observed a minute's silence before laying wreaths at the striking stone roll of honour for the 13 PSNI officers who have lost their lives in the line of duty since the organisation was founded in 2001.
A piper played a lament after family members watched the royal couple unveil a plaque to commemorate their visit to the memorial garden, which is tucked in a secluded area of PSNI headquarters.
In a particularly poignant moment, seven-year-old Victoria Grieves, whose officer father Gary was killed in a road crash in 2010, presented a bouquet of flowers to the duchess.
PSNI Chief Constable George Hamilton said: "This is a very special, but also sad day, for the families and PSNI as we remember those who have died."
There is already an adjoining memorial garden to the 300 officers from the PSNI's predecessor, the Royal Ulster Constabulary, who were killed during the Troubles.
Camilla indulged in one of her favourite treats, ice cream, during a visit to the market town of Dromore.
Hundreds of schoolchildren, traders and locals crowded into the town's small square to greet the royals as they took a leisurely stroll in the sunshine.
The prince has officially visited the Republic of Ireland four times before, most recently in May 2016.
In 2015 he and his wife travelled to Mullaghmore in Co Sligo where the prince's great-uncle and mentor Lord Mountbatten and three others were killed by the IRA in 1979.
