Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. The Duke of Sussex says he is looking forward to introducing the Duchess and his son Archie to his “second home” Africa during an upcoming official tour.The young family will make a visit during their autumn tour of Africa while the Duke will carry out solo visits to Angola, Malawi and Botswana.Prince Harry revealed his “excitement” in a post on the couple’s Instagram account which also highlighted organisations “working towards positive change” on the continent.The post on Sunday said: “In just a few weeks, our family will be taking its first official tour to Africa, a region of the world that over the past two decades has been a second home to me.”Our team has helped create a meaningful programme that we’re so excited to share with you. On a personal note, I can’t wait to introduce my wife and son to South Africa! “We’ll see all of you very soon.” Botswana is a place Harry loves and knows well after whisking his wife to the southern African country in 2017 to mark her 36th birthday.Speaking during their engagement interview, Harry said: “I managed to persuade her to come and join me in Botswana.”And we – we camped out with each other under the stars… she came and joined me for five days out there, which was absolutely fantastic.” Baby Archie will be around five months old when his parents take him on his first official overseas trip.Harry and Meghan, who both share a passion for Africa, are said to be looking forward to deepening their knowledge of the continent’s rich culture and history. The Duke of Sussex took part in the King Power Royal Charity Polo Day in July.Credit:James Whatling The couple asked people to consider following more than 20 Instagram accounts, including Sentebale which was founded by Harry and Prince Seeiso of the Basotho Royal Family.Other organisations listed are the Nelson Mandela Foundation, Desmond Tutu HIV Foundation, African Wildlife Foundation, The Halo Trust and National Geographic. During the visit to Africa, the duke is likely to champion the work of his mother Diana, Princess of Wales who famously walked through a cleared landmine field in Angola to highlight the devastating injuries military munitions can cause.The duke’s charity Sentebale was founded in Lesotho, a landlocked country within South Africa, and has recently expanded its work into Malawi.Prince Harry also has a passion for African wildlife and is president of African Parks, patron of Rhino Conservation Botswana and spent part of his summer in 2016 working on conservation projects in Africa.