Home Park, Windsor

Frogmore is an estate within the Home Park, adjoining Windsor Castle, in Berkshire, England. It comprises , of primarily private gardens managed by the Crown Estate. It is the location of Frogmore House, a royal retreat, and Frogmore Cottage. The name derives from the preponderance of frogs which have always lived in this low-lying and marshy area near the River Thames. This area is part of the local flood plain. Its large landscaped gardens are Grade I listed on the Register of Historic Parks and Gardens.

Royal park on the eastern side of Windsor Castle