The City of Peterborough, commonly known as Peterborough, is a unitary authority district with city status in the ceremonial county of Cambridgeshire, England. The area is named after its largest settlement, Peterborough but also covers a wider area of outlying villages and hamlets.

Cambridgeshire or the County of Cambridge is a ceremonial county and historic county in the East of England and East Anglia. It is bordered by Lincolnshire to the north, Norfolk to the north-east, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and Northamptonshire to the west. The largest settlement is the city of Peterborough, and the city of Cambridge is the county town.