Cwm Gwaun is a village in Pembrokeshire, Wales.
It is situated within the SA65 postcode district, which is within the Fishguard post town.
SA65 is the only postcode district within the Fishguard post town.
The Fishguard post town is within the Swansea postcode area.
Administrative Ward: Dinas Cross
Administrative District: Pembrokeshire
Country: Wales
UK Parliament: Preseli Pembrokeshire