Chalfont St Peter is a large village and civil parish in southeastern Buckinghamshire, England. It is in a group of villages called The Chalfonts which also includes Chalfont St Giles and Little Chalfont. The villages lie between High Wycombe and Rickmansworth. Chalfont St Peter is one of the largest villages, with nearly 13,000 residents. The urban population for Chalfont St Peter and Gerrards Cross is 19,622, the two villages being considered a single area by the Office for National Statistics.

Chalfont St Giles is a village and civil parish in southeast Buckinghamshire, England. It is in a group of villages called The Chalfonts, which also includes Chalfont St Peter and Little Chalfont.