The East of England is one of the nine official regions of England in the United Kingdom. This region was created in 1994 and was adopted for statistics purposes from 1999. It includes the ceremonial counties of Bedfordshire, Cambridgeshire, Essex, Hertfordshire, Norfolk and Suffolk. Essex has the highest population in the region. The population of the East of England region in 2018 was 6.24 million. Bedford, Luton, Basildon, Peterborough, Southend-on-Sea, Norwich, Ipswich, Colchester, Chelmsford and Cambridge are the region's most populous settlements.
Cambridgeshire (abbreviated Cambs.) is a ceremonial 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 county has an area of and a population of 852,523. The largest settlements are the cities of Peterborough (179,349) and Cambridge (145,674), located in the north-west and south respectively.
Essex (ˈɛsᵻks) is a ceremonial county in the East of England. It is bordered by Cambridgeshire and Suffolk to the north, the North Sea to the east, Kent across the Thames Estuary to the south, Greater London to the south-west, and Hertfordshire to the west. The largest settlement is the city of Southend-on-Sea. The county has an area of and a population of 1,832,751. After Southend (180,686) the largest settlements are the city of Colchester (192,700), city of Chelmsford (181,763), and Basildon (187,659).