Gwaun-Cae-Gurwen is a village in Neath Port Talbot, Wales.
It is situated within the SA18 postcode district, which is within the Ammanford post town.
SA18 is the only postcode district within the Ammanford post town.
The Ammanford post town is within the Swansea postcode area.
Administrative Ward: Gwaun-Cae-Gurwen
Administrative District: Neath Port Talbot
Country: Wales
UK Parliament: Neath