Concernant le toponyme » Llansteffan, Carmarthenshire, Wales, La Grande-Bretagne

Llansteffan (formerly also spelled Llanstephan) is a village on the coast of Carmarthenshire, in south-west Wales. It lies on the western side of the River Tywi estuary, some seven miles below the county town of Carmarthen and opposite the village of Ferryside.