Berkhamsted is a market town situated in Hertfordshire, England. Located in the Bulbourne Valley, it sits approximately 26 miles (42 km) north-west of London. As of the 2021 census, the town had a population of 21,245.
The town serves as a civil parish within the borough of Dacorum, which is based in the nearby new town of Hemel Hempstead. Berkhamsted and the adjoining village of Northchurch are characterized by their surrounding countryside and proximity to the Chiltern Hills, an designated Area of Outstanding Natural Beauty.