Brisbane will welcome the next-in-line to the throne with a 21 gun salute at the Old Government House at QUT tomorrow at 12.50 p.m. During their stay the royal couple are due to visit Brisbane, the Gold Coast, Cairns and Bundaberg.
Prince Charles and Camilla will be in Australia for the Commonwealth Games 2018.
Australian Republic Movement chair Peter FitzSimons said it would be great if Prince Charles would use his Australian tour to formally support a republic.
The Prince of Wales will officially open the Commonwealth Games tonight on behalf of his mother, Queen Elizabeth II.
The public are then invited to meet the royals during a walk through the City Botanic Gardens from 1:15pm, it will begin at the Gardens Theatre end.
The couple also created plenty of smiles when they visited Lady Cilento Children's Hospital.
"But none of that is to diminish the commitment and sense of duty that Prince Charles displays towards Great Britain and, as constitutional arrangements stand, towards Australia".
The 69-year-old future king and the 70-year-old Duchess of Cornwall, looked cheerful as they stepped off the Royal Australian Air Force plane on to a wet and blustery Queensland tarmac, with Camilla clutching on to an umbrella. On Friday, the Duke will travel to Bundaberg to attend a community celebration.
'Thank goodness the gardens are still here and it hasn't been built on, ' the prince said.
Penelope Edwards spoke with Camilla, who asked about the Commonwealth Games, the reason for the official royal visit.
Amanda Courtney, 51, told Camilla that she had gone to Australia from Edinburgh to watch her son compete at the Commonwealth Games.
Publicly, both Prince Charles and the Queen have stressed it's up to Australians to decide whether to follow the republic path.
Speaking on BBC Radio 4's Today programme on Wednesday, another former prime minister, Julia Gillard, said she believed that at some point the country would become a republic. "The Duchess does not like flying but I think she sometimes has to embrace that fear and get on with it". "It's quite a grueling tour, with some fantastic places for the Prince to visit".
Prince Charles stopped to speak to Vanessa Cull from Runcorn, asking about the Girl Guides, asking whether it was hard to find leaders these days. Pictured: Prince Charles and Camilla arrive for a party at Windsor Castle on February 10, 2005.