Highclere Castle /ˈhaɪklɪər/ is a country house in the Jacobethan style, with a park designed by Capability Brown. The 5,000-acre (2,000 ha) estate is in Hampshire, England, United Kingdom, about 5 miles (8.0 km) south of Newbury, Berkshire. It is the country seat of the Earl of Carnarvon, a branch of the Anglo-Welsh Herbert family.Highclere Castle is the main filming location for the British television period drama Downton Abbey.