Aston Clinton is a historic village and civil parish in the Vale of Aylesbury in Buckinghamshire, England. The village lies at the foot of the Chiltern Hills, between the Wendover and Aylesbury arms of the Grand Union Canal. Surrounding towns include Wendover to the south, Aylesbury to the west, and Tring to the east - across the nearby county border with Hertfordshire.

The Chiltern Hills are a chalk escarpment in southern England, northwest of London, covering 660 square miles (1,700 km2) across Oxfordshire, Buckinghamshire, Hertfordshire, and Bedfordshire, stretching 45 miles (72 km) from Goring-on-Thames in the southwest to Hitchin in the northeast. The hills are 12 miles (19 km) at their widest.