Kidwelly is a town and community in Carmarthenshire, southwest Wales, approximately 7 miles (11 km) northwest of the most populous town in the county, Llanelli. In the 2001 census the community of Kidwelly returned a population of 3,289, increasing to 3,523 at the 2011 Census.

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.