Harry was all smiles in the photos as he joked around with children at the unveiling.
The Phelisanong Children Centre provides a home and community for people living with mental and physical disabilities, HIV/AIDS, other chronic illnesses, as well as orphans.
The royals visit comes a little over a month after the Duke and Duchess of Sussex wed at St George's Chapel in Windsor Castle. The newlyweds most recently stepped out together at day one of the Royal Ascot in Ascot, England on June 19.