SA4 spans the counties of West Glamorgan and Dyfed. It contains the towns of Gorseinon, Pontarddulais, and Loughor, as well as Penllergaer, Gowerton, Pen-clawdd, Three Crosses, and Hendy. SA4 is 9km north-west of the city of Abertawe. SA4 is a postcode district, also known as an outcode or outbound code.
The below map shows where SA4 is, and the boundary of the SA4 postcode district:
Postal Boundaries © GEOLYTIX copyright and database right 2012
SA4 lies within the counties of West Glamorgan and Dyfed. The below table and chart shows the split by area:
| County | % Area |
|---|---|
| West Glamorgan | 81% |
| Dyfed | 19% |
| Gorseinon | Town |
| Pontarddulais | Town |
| Penllergaer | Village |
| Gowerton | Village |
| Loughor | Town |
| Pen-clawdd | Village |
| Three Crosses | Village |
| Hendy | Village |
| Fforest | Village |
| Pontlliw | Village |
| Grovesend | Village |
| Crofty | Village |
| Gorseinon Garden Village | Suburb |
| Tircoed | Village |
| Llanmorlais | Village |
| Pentrebach | Hamlet |
| Penyrheol | Suburb |
| Llanedi | Village |
| Wernbwll | Hamlet |
| Graig-Fawr | Hamlet |
| Poundffald | Suburb |
| Blue Anchor | Village |
| Wern-olau | Hamlet |
| Cwm Dulais | Hamlet |
| Wernffrwd | Hamlet |
| Pen-y-Lan | Suburb |
| Waungron | Hamlet |
| Sardis | Hamlet |
Position of SA4 relative to nearby towns. Distance is measured from the centre of SA4 to the centre of the town.
Position of SA4 relative to nearby cities. Distance is measured from the centre of SA4 to the centre of the city.