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 defines the counties.

County Dossier

Cardiganshire

A coastal county of scholars, saints and sea.

Cardiganshire (Sir Aberteifi or Ceredigion) is a maritime county in west Wales, lying along Cardigan Bay (Bae Ceredigion).

Cardiganshire county reference map

At a glance

Cardiganshire at a glance

A coastal county of scholars, saints and sea.

Nation Wales
Formal name County of Cardigan
Local name Ceredigion / Sir Aberteifi
Foundation 1284
  • Welsh 5th century kingdom
  • Formed of the ancient Welsh Cantrefs of Ceredigion and Penweddig
  • Vale of Rheidol Railway
  • Area 693 sq mi 1,795 km²
  • Population: 75,784
  • County top: Plynlimon 2,467 ft / 752 m

County Geography

Cardiganshire meets Merionethshire to the north, Montgomeryshire and Radnorshire to the east, Carmarthenshire and Pembrokeshire to the south, and Cardigan Bay forms the county’s western edge. The county is shaped by its long bay frontage, the inland rise to the Cambrian Mountains, and the Teifi valley closing much of the southern side.

Cardigan Bay, the Cambrian rise, and the Teifi-side south make Cardiganshire readable as a west-coast county with a strong inland edge.

Map Reference

View Cardiganshire on the map

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

Open Cardiganshire in the Interactive Map

Places and routes

Aberystwyth, Cardigan, Lampeter, Aberaeron, and Tregaron show the county from its central coast and Teifi-side south to its inland upland district.

Connections

Routes have long followed the coast through Aberystwyth and Aberaeron, crossed inland toward Tregaron, and run south along the Teifi side toward Lampeter and Cardigan. Movement follows the county’s coast, upland, and river structure.

Cardiganshire landscape or key location
Vale Of Rheidol Railway, Cardiganshire / Sir Aberteifi / Ceredigion.

Names

  • Cardiganshire
  • County of Cardigan
  • Ceredigion / Sir Aberteifi

Ceredigion and Sir Aberteifi are the Welsh forms used with Cardiganshire. County of Cardigan is the formal historical style, Cardiganshire preserves the later English county form, and the older background lies in the kingdom and cantrefs of Ceredigion.

Cardiganshire was established as a county in 1284, but its coastal and upland setting had long marked it out as a recognisable western Welsh territory. The bay, upland, and Teifi-side pattern still give the historic county a clear shape.

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County Reference

Explore Cardiganshire

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