Beaconsfield is a market town and civil parish in Buckinghamshire, England, 23+1⁄2 miles northwest of central London and 16 miles southeast of Aylesbury. Three other towns are within five miles: Gerrards Cross, Amersham and High Wycombe. The town is adjacent to the Chiltern Hills Area of Outstanding Natural Beauty and has Georgian, neo-Georgian and Tudor revival high street architecture, known as the Old Town.