The Royal couple are due to visit Cardiff Castle where they will meet members of the public before heading to a community centre.
Prince Harry and Meghan Markle have given their first interview following the announcement that they are to be married next year.
There are "no plans" for a bank holiday on the day of Prince Harry's wedding to Meghan Markle, Downing Street said.
Prince Harry and Meghan Markle will get married in spring 2018.
Prince Harry is engaged to Meghan Markle and a royal wedding is being planned. So what happens next?
Speaking during a brief photo call, Prince Harry said he knew the American actress was the one he would marry when he first met her.