Monken Hadley is an ancient country village north of Chipping Barnet in Hertfordshire, England, located 11 miles northwest of Charing Cross in London. The main site of the 1471 Battle of Barnet was in the Monken Hadley parish, and Richard Neville, 16th Earl of Warwick was slain at the site of the present-day stone monument to the battle north of Hadley Green. In 1965, much of Hertfordshire was merged with Greater London, and Monken Hadley became part of the London Borough of Barnet.
