The Duke and Duchess of Sussex arrived in Sydney to begin an official visit to Australia, Fiji, Tonga and New Zealand.
It's the couple's first official royal tour since he got married in May.
The 16-day trip coincides with the fourth Invictus Games, which begins in Sydney on Saturday, and includes dozens of official events.
Prince Harry and Meghan were greeted by a large media and security presence at the airport on Monday.
They were taken to Admiralty House, the residence of Governor-General Peter Cosgrove in Sydney Harbor, who is the representative of the Queen in Australia.
The couple follow in the footsteps of Prince Harry's parents, Charles and Diana, whose first real tour was to Australia and New Zealand.
They will rest before starting official duties on Tuesday.
The South Wales Prime Minister (NSW), Gladys Berejiklian, welcomed the couple to Australia, describing the visit as exciting.
"It's really a visit with the people," Nine told the local network on Monday.
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In the coming days, Prince Harry and Meghan will visit attractions such as the Sydney Opera House, Taronga Zoo and Bondi Beach. They will also make day trips to Melbourne, Dubbo, NSW city, hit by the drought, and Fraser Island, in Queensland.
Then they will spend a few days in Fiji and Tonga, before concluding the trip with four days in New Zealand.
In April 2014, the brother and sister-in-law of Prince Harry, Duke and Duchess of Cambridge, spent 18 days in Australia and New Zealand.
Prince Harry will launch the fourth Invictus Games in Sydney on Friday, and will attend the opening and closing ceremonies.
Launched the competition in the style of the Paralympic Games for wounded soldiers and women in service and veterans in 2014.