Prime Minister Anthony Albanese has urged Australians to put aside debates on constitutional arrangements ahead of the coronation of King Charles.
Mr Albanese met the King's oldest son, Prince William, at Kensington Palace on Thursday before addressing a contingent of Australians invited to Saturday's ceremony.
"You are representing Australia at what is an incredible event of historic significance," he told the delegation which includes Matildas football star Sam Kerr, singer Nick Cave, Aboriginal artist Jasmine Coe, comedian Adam Hills and London-based nurse Emily Regan.
Governor-General David Hurley and state governors are also attendees.
"Regardless of what Australians think of constitutional arrangements - and we'll have different views on that - as a nation, what we need to do is to celebrate who we are, and to respect our institutions," Mr Albanese said in his speech.
"And there's such enormous respect for the royal family."
While he is a republican, the prime minister has said he is looking forward to being at the coronation ceremony.
"One of the things that I certainly admire about King Charles and the Prince of Wales who is continuing that tradition, is their concern about the future," Mr Albanese said.
"Their concern and outspoken views about climate change, about the need to protect our planet, about the urban environment, about a whole range of issues, including respect for Indigenous Australians, which is why the Palace's request - which was well received by a government such as mine - was so heartwarming."
Mr Albanese told Prince William that he and other members of the royal family were welcome to visit Australia at a time of their choosing.
The Prince and his wife Kate had earlier on Thursday taken their first trip on the Elizabeth Line of London's Underground, named after William's late grandmother Queen Elizabeth.
Mr Albanese said the Queen had been "a constant, reassuring presence in our lives... and when she passed away, there was a great deal of mourning for someone who we had affection for, but also incredible respect".
"Some of us have chosen public life as something I think is a very honourable profession. But for the royal family, they're born into it. And they serve as their duty but also due to their commitment to their nation, but also to the Commonwealth, of which Australia is an important part."