Investiture II or another member of the royal family each year. A list of those to be honoured is published twice a year, in either the New Year Honours or the Birthday Honours. Approximately 25 investitures are held annually: most in the Ballroom at Buckingham Palace, although the Waterloo Chamber in Windsor Castle and the Palace of Holyroodhouse in Edinburgh, Scotland, are also used. In 2014 The Prince of Wales held an investiture at Hillsborough Castle in Northern Ireland. Investitures are also held in other Commonwealth realms, when the Governor-General acts on behalf of the Queen. The poem "The Investiture" by
Prince's Palace of Monaco A greater architectural harmony has been achieved within the court of honour around which the palace is built, where two tiers of frescoed open arcades serve as both a ceremonial balcony for the prince's appearances and a state entrance and corridor linking the formal state rooms of the palace. The most notable of the many rooms are the state apartments. These were laid out from the 16th century onwards, and were enhanced in the style of those at Versailles during the 18th century. In the 19th century and again during the late 20th century, large-scale restoration of the state rooms