St Clears is a town on the River Taf and a community in Carmarthenshire, Wales. At the 2011 census, the population was 2,995. The community includes the small settlements of Bancyfelin and Pwlltrap. It is bordered by the Carmarthenshire towns and villages of Meidrim, Newchurch and Merthyr, Llangynog, Laugharne Township, Llanddowror, Eglwyscummin, Llanboidy and Llangynin.

Carmarthenshire is a county in the south-west of Wales. The three largest towns are Llanelli, Carmarthen and Ammanford. Carmarthen is the county town and administrative centre. The county is known as the "Garden of Wales" and is also home to the National Botanic Garden of Wales.