Kings Langley is a historic English village and civil parish 21 miles (34 km) northwest of central London on the southern edge of the Chiltern Hills and now part of the London commuter belt. The major western portion lies in the borough of Dacorum and the east is in the Three Rivers district both in the county of Hertfordshire England. It was once the location of Kings Langley Palace a Royal palace of the Plantagenet kings of England.