Carmarthen is located in the county of Dyfed, Wales, eight miles north of the town of Kidwelly, 23 miles north-west of the major city of Swansea, 55 miles north-west of Cardiff, and 181 miles west of London. Carmarthen was historically in the county of Carmarthenshire. Carmarthen falls within the unitary authority of Sir Gaerfyrddin - Carmarthenshire. It is in the SA31 postcode district. The post town for Carmarthen is Carmarthen.
Carmarthen is in the ceremonial county of Dyfed, the historic county of Carmarthenshire, and the administrative county of Sir Gaerfyrddin - Carmarthenshire.
|Administrative County||Sir Gaerfyrddin - Carmarthenshire|
Carmarthen is situated towards the southernmost extremity of Dyfed, and towards the easternmost extremity of Dyfed.
The nearest postcode to the centre of Carmarthen is SA31 1AN.
Carmarthen is situated roughly centrally between the southernmost and northernmost extremities of the SA31 postcode district, and roughly centrally between the easternmost and westernmost extremities of the SA31 postcode district.
The post town for Carmarthen is Carmarthen. Carmarthen is in the SA31 postcode district, which corresponds to the post town of Carmarthen.
The centre of Carmarthen is located at position 51.85646° latitude and -4.30574° longitude.
The centre of Carmarthen is located at the grid reference easting 241306 and northing 220055 within the British National Grid (OSGB36) system.
Position of Carmarthen relative to nearby towns. Distance is measured from the centre of Carmarthen to the centre of the town.
Position of Carmarthen relative to nearby cities. Distance is measured from the centre of Carmarthen to the centre of the city.