Carmarthen

Carmarthen
Welsh: *Caerfyrddin*
Carmarthen Welsh: Caerfyrddin;
	; Carmarthen town centre
	Carmarthen
	Location within Carmarthenshire
Population	16,285 (2019)
OS grid reference	SN415205
Principal area	Carmarthenshire;
Ceremonial county	Dyfed;
Country	Wales
Sovereign state	United Kingdom
Post town	CARMARTHEN
Postcode district	SA31, SA32, SA33
Dialling code	01267
Police	Dyfed-Powys
Fire	Mid and West Wales
Ambulance	Welsh
UK Parliament	Carmarthen East and Dinefwr; Carmarthen West and South Pembrokeshire;
	List of places UK Wales Carmarthenshire 51°51′22″N 4°18′58″W / 51.856°N 4.316°W

Carmarthen (Welsh: Caerfyrddin) is a community and town in Carmarthenshire in South West Wales. In 2019, it was found that 16,285 people live there.

It is Carmarthenshire's county town, but the largest town in Llanelli.

The town's name in Welsh means Merlin's fort or Sea-town fort.

It is said to be Wales' oldest town after Old Carmarthen and New Carmarthen became one borough in 1546.

It has a castle, Carmarthen Castle.