An inland county of East Anglia, England. County town Cambridge, bordered by Lincolnshire, Norfolk, Suffolk, Essex, Hertfordshire, Bedfordshire and Northamptonshire.

A local government district of Cambridgeshire, England, based in Ely.

A local government district of Cambridgeshire, England. The district completely surrounds the City of Cambridge, which is governed independently by its city council.

A county in East Anglia, England, created in 1965 by the merger of the administrative counties of Cambridgeshire and Isle of Ely and absorbed into an enlarged Cambridgeshire in 1974.