Watford is a town and borough in Hertfordshire, England, situated 15 miles (24 km) northwest of central London and inside the circumference of the M25 motorway. It is not to be confused with Watford, Northamptonshire which is 55 miles to the north. There are 43 public parks, gardens, recreation grounds and allotments in Watford. Of these, eight have been awarded a Green Flag, in recognition of their quality. Watford Palace Theatre, The Pump House, Watford Colosseum, Watford Museum, Leavesden Film Studios (The Making of Harry Potter Studio Tour) and Vicarage Road (homeground of Watford FC) are all noteworthy locations in Watford.