Donnington Castle is a historic site located near Newbury in Berkshire, England. Built in the late 14th century, it was originally constructed as a defensive fortress. The castle features a distinctive gatehouse and was strategically positioned to control the surrounding area. During the English Civil War, Donnington Castle played a significant role as a Royalist stronghold. It was besieged multiple times and eventually fell to Parliamentarian forces in 1646. Today, the ruins are a popular attraction for visitors interested in history and architecture, offering scenic views of the surrounding countryside.