Althorp (popularly pronounced AWL-thorp) is a Grade I listed stately home and estate in the civil parish of Althorp, in West Northamptonshire, England of about 13,000 acres (5,300 ha). By road it is about 6 miles (9.7 km) northwest of the county town of Northampton and about 75 miles (121 km) northwest of central London, situated between the villages of Great Brington and Harlestone. It has been held by the Spencer family for more than 500 years, and has been owned by Charles Spencer, 9th Earl Spencer since 1992.