Llanelli is the largest town in the county of Carmarthenshire, Wales, sits on the Loughor estuary on the West Wales coast, approximately 10 miles west-north-west of Swansea and 12 miles south-east of the county town, Carmarthen. The town is famous for its proud rugby tradition and is a centre of tinplate production. In the mid 20th century, Llanelli was the largest town in the world where more than half the population spoke a Celtic language. It is ranked the 7th largest urban area in Wales.
Llanelli is also surrounded by a number of villages and communities in the Llanelli Rural district. Some of these communities, more notably those that immediately surround the town, are often unofficially referred to as Llanelli.