King Charles and Queen Camilla, along with the Duke and Duchess of Edinburgh, hosted around 8,000 Scots at a garden party in Holyroodhouse. The royal couple's visit to Scotland includes events to celebrate the 900th anniversary of Edinburgh, with the King participating in various official engagements like inspecting a guard of honour and receiving the keys to the city. Camilla will hold a reception promoting Scottish literacy, while both will host a garden party and attend the Thistle Service at St Giles' Cathedral. These activities are part of Holyrood Week, a tradition where the monarch spends a week at the Palace of Holyroodhouse in Edinburgh, showcasing Scottish culture and achievements.