Historic Counties Institute

Geography • Identity • Continuity

Reference, evidence, and public education for the historic counties.

Historic counties are the enduring geography. Councils are administration, lieutenancies are ceremonial – neither define the counties.

County Dossier

Essex

From Saxon kingdoms: fields, forests, Roman towns.

Essex is a maritime county in south-east England, with a character that blends bustling towns, historic settlements, and rural landscapes.

Essex county reference map

At a glance

Essex at a glance

From Saxon kingdoms: fields, forests, Roman towns.

Nation England
Formal name County of Essex
Foundation c.604
County Day 26 October
  • Ancient Kingdom of East Saxons
  • Formed 6th–7th centuries
  • County of Roman towns
  • Area: 1,591 sq miles / 4,121 km²
  • Population: 2,999,248
  • County top: High Wood, 482 ft / 147 m

County Geography

Essex is bounded by the Stour to the north, the Thames to the south, and the Lea side toward Middlesex on the west, with Suffolk, Cambridgeshire, and Hertfordshire around its inland edge. Estuary water and open eastern coast give the county one of England’s clearest lowland forms.

Estuary, coast, and inland ridge-and-vale country hold Essex together as one county despite later metropolitan change. The county’s geography is broader than any council label.

Map Reference

View Essex on the map

Essex is the county. The map also shows lieutenancies and council areas that use the county name.

County Lieutenancy Council
Essex county map preview Open Essex in the Interactive Map

Open Essex in the Interactive Map

Places and routes

Chelmsford, Colchester, Saffron Walden, Romford, and Southend-on-Sea show the county from central county town and Roman town to upland market town, London-side Essex, and estuary coast.

Connections

Essex has long been organised by routes out of London, across the inland road network, and down to the Thames and North Sea shore.

Essex landscape or key location
Avignon Garden, Colchester Castle Park, Essex.

Names

  • Essex
  • County of Essex

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County Reference

Explore Essex

Open the map to explore Essex, or return to the county index to browse other counties.