Over the weekend, the couple will be on Cockatoo Island and in the Domain for Invictus events, and on Monday will fly to Fraser Island - off the coast of Queensland - to meet with local elders and learn about the local indigenous history.
Harry and Meghan's official duties start on Tuesday morning where the Governor-General Sir Peter Cosgrove will welcome them to Sydney at his residence, Admiralty House.
Meghan Markle is about to embark on her first official royal tour with Prince Harry in Australia and it looks like the Duchess is gonna have some serious moral support.
Jacinda Ardern said they are still working through the details of Prince Harry and Meghan Markle's trip.
They then head off to Taronga Zoo to hear about work against the illegal wildlife trade and visit the Sydney Opera House.
On Wednesday the pair will travel to Dubbo where they will visit the Royal Flying Doctor Service.
On Friday, royal fans will be able to catch a glimpse of Prince Harry and Meghan at Bondi Beach, where they'll be spending time with OneWave, an initiative that engages with mental health.
The duke and duchess will learn about environmental challenges while in Wellington, visit a charity which supports children with parents in prison, and meet members of the public in Auckland and Rotura.
The couple will mark the games' launch and closing ceremony in Sydney. The evening includes a reception hosted by the Governor General.
The Duke and Duchess of Sussex have arrived at Admiralty House in Sydney for a day of rest before they begin an intense 16-days of engagements across four countries.