Watford is a town and borough in Hertfordshire, England, situated 20 miles (32 km) northwest of central London and within the bounds of the M25 motorway. The borough is separated from Greater London to the south by the urbanised parish of Watford Rural in the Three Rivers District.
The nearby areas of Croxley Green, Bushey, Rickmansworth, Chorleywood, Kings Langley, Abbots Langley, Carpenders Park and South Oxhey, located in Three Rivers and Hertsmere districts, also form part of the Watford postcode area.
