The royal couple arrived by train at Edinburgh Waverley and were welcomed by piper Lou Marshall who was playing Christmas songs.
William and Kate then set off to meet members of the Scottish Ambulance Service which was the first engagement of their morale-boosting festive trip on the royal train.
Here are some pictures of their visit in Edinburgh.
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9. Patrons of NHS Charities Together
The visit coincided with the announcement that the duke and duchess have become joint patrons of NHS Charities Together. The 240 NHS charities in the UK provide extra funding and additional services above and beyond what the NHS core-funds, supporting hospitals, community and mental health services, and ambulance services. Photo: Wattie Cheung