Chesham (/ˈtʃɛʃəm/, local /ˈtʃɛsəm/, or /ˈtʃɛzəm/) is a market town in the Chiltern Hills, Buckinghamshire, England. It is located 11 miles south-east of the county town of Aylesbury. Chesham is also a civil parish designated a town council within Chiltern district. It is situated in the Chess Valley and surrounded by farmland, as well as being bordered on one side by Amersham and Chesham Bois.