Ammanford is a town and community in Carmarthenshire, Wales, with a population of 5,411 at the 2011 census. It is a former coal mining town. The built-up area had a population of 7,945 with the wider urban area even bigger.

The Heart of Wales line is a railway line running from Craven Arms in Shropshire to Llanelli in southwest Wales. It serves a number of rural centres, including the nineteenth-century spa towns Llandrindod Wells, Llangammarch Wells and Llanwrtyd Wells. At Builth Road, two miles (3.3 km) from the town of Builth Wells, the line crosses the former route of the earlier Mid Wales Railway, which closed in 1962.