The tweet included a few words in Samoan which loosely translated as “looking forward to meeting the Samoan people”.
Samoa, a small country in the central South Pacific Ocean made up of an archipelago of nine islands, is hosting a Commonwealth Heads of Government Meeting (CHOGM) which has the theme “One Resilient Common Future”.
The King, as head of the Commonwealth, will formally open the event that will also be attended by Prime Minister Sir Keir Starmer.
Charles deputised for Queen Elizabeth II during the last CHOGM staged by Rwanda in 2022, and in Samoa will be joined by Foreign Secretary David Lammy.
The route from the airport to Apia – Samoa’s capital – had been spruced up for the royal visit on Wednesday.
Each village along the road had adopted a country, with residents decorating their houses and adorning their lawns with the corresponding flags.
Flashing lights were put in trees, bushes and on roof tops, while car tyres were repurposed as flower pots and painted bright colours.
Climate change, a subject close to the King’s heart, is expected to top the agenda at the meeting held in a part of the world very vulnerable to rising sea levels.
While reparations are not officially on the table, the subject is likely to come up as this group of countries was brought together by British colonisation.
The UK government has said there will no official apology or reparations.