The Queen will visit the estate where she spent part of her honeymoon during a two-day tour of Hampshire.
The Royal couple will visit Broadlands Estate, where they stayed in November 1947, and plant a mulberry tree.
The Queen will also attend the Defence College of Policing and Guarding at Southwick Park.
She and the Duke of Edinburgh will mark 400 years of the Royal charter at a service at Romsey Abbey in Romsey, which holds charter status.
She will also unveil a charter stone and plaque to mark the granting of borough status to "Romsey Infra" by King James I on 6 April 1607.
This gave official status to an informal group of citizens who had been running the affairs of the town since the dissolution of Romsey Abbey in 1539.
Broadlands Estate, was owned by Prince Philip's late uncle Earl Mountbatten.