Garth is a village in Powys, Wales.
It is situated within the LD4 postcode district, which is within the Llangammarch Wells post town.
LD4 is the only postcode district within the Llangammarch Wells post town.
The Llangammarch Wells post town is within the Llandrindod Wells postcode area.
Administrative Ward: Llanwrtyd Wells
Administrative District: Powys
Country: Wales
UK Parliament: Brecon and Radnorshire