In a statement, the palace said that Meghan and her husband Prince Harry are "very pleased" with the news.
The trip will include attending the Invictus Games, a visit to a Sydney zoo and visit the rural Flying Doctor service.
Meghan, the 37-year-old Los Angeles-born former actress from "Suits", and Prince Harry, the 34-year-old son of Prince Charles and Princess Diana, married on May 19 amid much fanfare, with 29 million viewers in the USA and 18 million viewers in the United Kingdom tuning in.
The Kingdom Choir gospel singers who performed Stand By Me at Harry and Meghan's wedding sent their best wishes to "the attractive couple".
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Recently the star also said that he was leaving the social networking, particularly Instagram, for an indefinite period. She's gone through it before, so it's not a completely new experience for the actor and singer.
Australian Prime Minister Scott Morrison, who plans to climb with Harry to the top of the Sydney Harbour Bridge, told Parliament on Monday that he commended the prince for coming to Sydney for the Invictus Games and welcomed the couple. "Wishing them all the best", May tweeted.
Prince Harry, of course, is one of the founders of the competition for injured military personnel.
The medal belonged to Lieutenant Albert Chowne, who died aged 25 in 1945 - just a year after they married - in a heroic attack on a Japanese machinegun post in the New Guinea campaign.
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For the first eight innings, the Yankee bats looked lifeless, managing just four hits and one run on a Brett Gardner sac-fly. Zach Britton gave up an opposite-field homer to No. 9 batter Christian Vazquez in the fourth, and NY never fully recovered.
They stayed in a hotel in the city last night so as not to miss the important day.
In New Zealand, Harry and Meghan will tour the capital Wellington and visit Auckland and then Rotorua, which is famed for its Maori culture, and then head to Abel Tasman National Park in the South Island.
The occasion Omarked their first time meeting with members of the Australian public as a couple - the first of many to come during their Royal Tour. The child will be seventh in line to the British throne and Queen Elizabeth's eighth great-grandchild.
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It adds to their nursery's Australian-themed menagerie after they were given a stuffed kangaroo and joey by the Australian Governor-General Sir Peter Cosgrove earlier on Tuesday.
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A furious pace was established early in the first set and Coric, having initially matched his opponent stride for stride, soon found the going tough .