Althorp is a historic estate located in Northamptonshire, England. It is best known as the childhood home of Diana, Princess of Wales. The estate features a stunning house surrounded by beautiful gardens and parkland, covering approximately 13,000 acres. The estate has been the residence of the Spencer family for over 500 years. Althorp is open to the public during the summer months, allowing visitors to explore its rich history, art collections, and the memorial dedicated to Princess Diana located on an island in the estate's lake.