The City of Peterborough, is a district with city status in the ceremonial county of Cambridgeshire, England. The district is named after its largest settlement, Peterborough, but also covers a wider area of outlying villages and hamlets. The district is administered by Peterborough City Council, a unitary authority.
The district's area covers parts of the historic counties of Northamptonshire and Huntingdonshire, as well as a small part of Cambridgeshire. In 1965, the area became part of the short-lived county of Huntingdon and Peterborough before becoming a district of Cambridgeshire in 1974. Located in the East Anglia region of England, the area borders the surrounding counties of Lincolnshire and Northamptonshire. The population of the district was 202,259 making it the second-largest district by population in East Anglia (after East Suffolk).