Historic Counties Institute

Geography • Identity • Continuity

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

Counties are geography. Councils run services, lieutenancies are ceremonial – neither defines the counties.

County Dossier

Ayrshire

A county of coast, castles and Robert the Bruce.

Ayrshire is a maritime county along the east shore of the Firth of Clyde (Firth Chluaidh). Its traditional districts — Cunninghame (Cuinneag), Kyle (Caol), and Carrick (Carraig) — predate the formation of Ayrshire itself.

Ayrshire county reference map

At a glance

Ayrshire at a glance

A county of coast, castles and Robert the Bruce.

Nation Scotland
Formal name County of Ayr
Local name Siorrachd Inbhir Àir
Foundation c.1180
  • In charters: 'Are' or 'Ayrschire'
  • Ayr made Royal burgh (1205)
  • Battle of Largs (1263)
  • Area: 1,129 sq mi 2,924 km²
  • Population: 367,676
  • County top: Kirriereoch Hill shoulder 2,565 ft / 782 m

County Geography

Ayrshire meets Renfrewshire to the north, Lanarkshire to the east, Dumfriesshire to the south-east, and Kirkcudbrightshire and Wigtownshire to the south, while the Firth of Clyde and outer western coast form the county’s sea edge. The county is shaped by its long coastal frontage, the Irvine and Ayr lowlands, and the rising hill country toward Carrick and the southern march.

Ayrshire is clear as a long west-facing county: coast and firth to one side, the Ayr and Irvine lowlands through the middle, and Carrick rising to the south.

Map Reference

View Ayrshire on the map

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

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

Open Ayrshire in the Interactive Map

Places and routes

Ayr, Kilmarnock, Irvine, Troon, and Girvan show the county from its central burghs and northern coast to the southern shore and Carrick side.

Connections

Ayrshire’s routes have long followed the Clyde coast, crossed the central plain through Ayr and Kilmarnock, and run south toward Carrick. They reflect the same coast-to-hill structure.

Ayrshire landscape or key location
Laigh Milton Viaduct, Ayrshire.

Names

  • Ayrshire
  • County of Ayr
  • Siorrachd Inbhir Àir

Siorrachd Inbhir Àir is the Gaelic form of Ayrshire. County of Ayr is the formal historical style, while charters preserve forms such as Are and Ayrschire; Cunninghame, Kyle, and Carrick remain part of the county’s older district structure.

The county was a sheriffdom by the twelfth century, with Ayr as county town and royal burgh at its centre. Ayrshire remains legible through that district structure and its enduring west-coast geography.

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County Reference

Explore Ayrshire

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