Efailwen is located in the county of Dyfed, Wales, seven miles north-west of the town of Whitland, 38 miles north-west of the major city of Swansea, 72 miles north-west of Cardiff, and 198 miles west of London. Efailwen was historically in the county of Carmarthenshire. Efailwen falls within the unitary authority of Sir Gaerfyrddin - Carmarthenshire. It is in the SA66 postcode district. The post town for Efailwen is Clynderwen.
Efailwen is in the ceremonial county of Dyfed, the historic county of Carmarthenshire, and the administrative county of Sir Gaerfyrddin - Carmarthenshire.
Ceremonial County | Dyfed |
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Historic County | Carmarthenshire |
Administrative County | Sir Gaerfyrddin - Carmarthenshire |
Efailwen is situated towards the southernmost extremity of Dyfed, and roughly centrally between the easternmost and westernmost extremities of Dyfed.
The nearest postcode to the centre of Efailwen is SA66 7UX.
Efailwen is situated roughly centrally between the southernmost and northernmost extremities of the SA66 postcode district, and towards the easternmost extremity of the SA66 postcode district.
The post town for Efailwen is Clynderwen. Efailwen is in the SA66 postcode district, which corresponds to the post town of Clynderwen.
The centre of Efailwen is located at position 51.89575° latitude and -4.71057° longitude.
Latitude | 51.89575° |
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Longitude | -4.71057° |
The centre of Efailwen is located at the grid reference easting 213594 and northing 225385 within the British National Grid (OSGB36) system.
Easting | 213594 |
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Northing | 225385 |
Position of Efailwen relative to nearby towns. Distance is measured from the centre of Efailwen to the centre of the town.
Position of Efailwen relative to nearby cities. Distance is measured from the centre of Efailwen to the centre of the city.