Dyfed () is a

preserved county Preservation may refer to: Heritage and conservation * Preservation (library and archival science), activities aimed at prolonging the life of a record while making as few changes as possible * ''Preservation'' (magazine), published by the Nat ...

in southwestern

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

, covering the modern counties

Carmarthenshire Carmarthenshire (; or informally ') is a Principal areas of Wales, county in the South West Wales, south-west of Wales. The three largest towns are Llanelli, Carmarthen and Ammanford. Carmarthen is the county town and administrative centre. ...

Ceredigion Ceredigion (), historically Cardiganshire (, ), is a Principal areas of Wales, county in the West Wales, west of Wales. It borders Gwynedd across the River Dyfi, Dyfi estuary to the north, Powys to the east, Carmarthenshire and Pembrokeshire t ...

and

Pembrokeshire Pembrokeshire ( ; ) is a Principal areas of Wales, county in the South West Wales, south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and otherwise by the sea. Haverfordwest is the largest town and ...

. It is mostly rural area with a coastline on the

Irish Sea The Irish Sea is a body of water that separates the islands of Ireland and Great Britain. It is linked to the Celtic Sea in the south by St George's Channel and to the Inner Seas off the West Coast of Scotland in the north by the North Ch ...

and the

Bristol Channel The Bristol Channel (, literal translation: "Severn Sea") is a major inlet in the island of Great Britain, separating South Wales (from Pembrokeshire to the Vale of Glamorgan) and South West England (from Devon to North Somerset). It extends ...

. Between 1974 and 1996, Dyfed was an administrative county of Wales, with its council based at

Carmarthen Carmarthen (, ; , 'Merlin's fort' or possibly 'Sea-town fort') is the county town of Carmarthenshire and a community (Wales), community in Wales, lying on the River Towy north of its estuary in Carmarthen Bay. At the 2021 United Kingdom cen ...

. Dyfed continues to give name to public services including

Dyfed-Powys Police Dyfed-Powys Police (; DPP) is the territorial police force in Wales policing Carmarthenshire, Ceredigion and Pembrokeshire (which make up the former administrative area of Dyfed) and the unitary authority of Powys (covering Brecknockshire, Ra ...

and

Dyfed Telecom Dyfed () is a Preserved counties of Wales, preserved county in southwestern Wales, covering the Principal areas of Wales, modern counties Carmarthenshire, Ceredigion and Pembrokeshire. It is mostly rural area with a coastline on the Irish Sea an ...

Etymology

The name Dyfed is an ancient one, appearing in the

Mabinogion The ''Mabinogion'' () is a collection of the earliest Welsh prose stories, compiled in Middle Welsh in the 12th–13th centuries from earlier oral traditions. There are two main source manuscripts, created –1410, as well as a few earlier frag ...

with a history predating that work. It is derived from

Demetae The Demetae were a Celtic people of Iron Age and Roman period, who inhabited modern Pembrokeshire and Carmarthenshire in south-west Wales. The tribe also gave their name to the medieval Kingdom of Dyfed, the modern area and county of Dyfed and ...

(the

Iron Age The Iron Age () is the final epoch of the three historical Metal Ages, after the Chalcolithic and Bronze Age. It has also been considered as the final age of the three-age division starting with prehistory (before recorded history) and progre ...

tribe that inhabited the area), with this tribal name deriving from a

Celtic Celtic, Celtics or Keltic may refer to: Language and ethnicity *pertaining to Celts, a collection of Indo-European peoples in Europe and Anatolia **Celts (modern) *Celtic languages **Proto-Celtic language *Celtic music *Celtic nations Sports Foot ...

element related to the

Welsh language Welsh ( or ) is a Celtic languages, Celtic language of the Brittonic languages, Brittonic subgroup that is native to the Welsh people. Welsh is spoken natively in Wales by about 18% of the population, by some in England, and in (the Welsh c ...

word ''defaid'' (sheep) as well as the

Common Brittonic Common Brittonic (; ; ), also known as British, Common Brythonic, or Proto-Brittonic, is a Celtic language historically spoken in Britain and Brittany from which evolved the later and modern Brittonic languages. It is a form of Insular Cel ...

word ''defod'' (wealth, property or riches). This suggests that the area that became Dyfed was noted for the cultivation of sheep from ancient times, and that this was associated with great wealth. The name persisted in the post-Roman

Kingdom of Dyfed The Kingdom of Dyfed (), one of several Welsh petty kingdoms that emerged in 5th-century sub-Roman Britain in southwest Wales, was based on the former territory of the Demetae (modern Welsh ''Dyfed''). The royal line was founded by Irish ...

(clearly a continuation of this pre-Roman

etymon A root (also known as a root word or radical) is the core of a word that is irreducible into more meaningful elements. In morphology, a root is a morphologically simple unit which can be left bare or to which a prefix or a suffix can attach. The ...

) and even survived the

Norman conquest of Wales The Norman invasion of Wales began shortly after the Norman conquest of England under William the Conqueror, who believed England to be his birthright. Initially (1067–1081), the invasion of Wales was not undertaken with the fervour and purpose ...

and the introduction of the Shire system, with Thomas Morgan noting that the Welsh inhabitants of

still referred to the area as ''Dyfed'' in the nineteenth century.

History

Dyfed is a

. It was originally created as an administrative county council on 1 April 1974 under the terms of the

Local Government Act 1972 The Local Government Act 1972 (c. 70) is an act of the Parliament of the United Kingdom that reformed local government in England and Wales on 1 April 1974. It was one of the most significant acts of Parliament to be passed by the Heath Gov ...

, and covered approximately the same geographic extent as the ancient Principality of

Deheubarth Deheubarth (; , thus 'the South') was a regional name for the Welsh kingdoms, realms of south Wales, particularly as opposed to kingdom of Gwynedd, Gwynedd (Latin: ''Venedotia''). It is now used as a shorthand for the various realms united under ...

, although excluding the

Gower Peninsula The Gower Peninsula (), or simply Gower (), is a peninsula in the South West Wales, south-west of Wales. It is the most westerly part of the historic county of Glamorgan, and is now within the City and County of Swansea. It projects towards th ...

and the area west of the

River Tawe The River Tawe (; ) is a long river in South Wales. Its headwaters flow initially east from its source below Llyn y Fan Fawr south of Glasfynydd Forest, Moel Feity in the Black Mountain (range), Black Mountains, the westernmost range of the ...

. Dyfed County Council was abolished on 1 April 1996, when the three historic counties were reinstated for administrative purposes with Cardiganshire being renamed ''

'' on the following day. The name "Dyfed" remains used for some ceremonial and administrative purposes.

Headquarters

The administrative headquarters of

Dyfed County Council Dyfed County Council () was the county council of the county of Dyfed in south west Wales. It operated between 1974 and 1996. The county council was based at County Hall, Carmarthen. History Dyfed County Council was created on 1 April 1974 und ...

was

, whilst the largest settlement was

Llanelli ; ) is a market town and community (Wales), community in Carmarthenshire and the Preserved counties of Wales, preserved county of Dyfed, Wales. It is on the estuary of the River Loughor and is the largest town in the Principal areas of Wales, ...

. Other significant centres of population included

Haverfordwest Haverfordwest ( , ; ) is the county town of Pembrokeshire, Wales, and the most populous urban area in Pembrokeshire with a population of 14,596 in 2011. It is also a Community (Wales), community consisting of 12,042 people, making it the secon ...

Milford Haven Milford Haven ( ) is a town and community (Wales), community in Pembrokeshire, Wales. It is on the north side of the Milford Haven Waterway, an estuary forming a natural harbour that has been used as a port since the Middle Ages. The town was ...

and

Aberystwyth Aberystwyth (; ) is a University town, university and seaside town and a community (Wales), community in Ceredigion, Wales. It is the largest town in Ceredigion and from Aberaeron, the county's other administrative centre. In 2021, the popula ...

Continued use of name

The name Dyfed was retained for such purely ceremonial purposes as the Lord Lieutenancy and in the name of some regional bodies such as

Dyfed–Powys Police Dyfed-Powys Police (; DPP) is the territorial police force in Wales policing Carmarthenshire, Ceredigion and Pembrokeshire (which make up the former administrative area of Dyfed) and the unitary authority of Powys (covering Brecknockshire, Radn ...

, Dyfed Telecom, and Dyfed Digital, but some databases, including that of the

Royal Mail Royal Mail Group Limited, trading as Royal Mail, is a British postal service and courier company. It is owned by International Distribution Services. It operates the brands Royal Mail (letters and parcels) and Parcelforce Worldwide (parcels) ...

, continued its use at least until 2008, causing confusion in online commerce.

Geography

Dyfed has a long coast on the Irish Sea to the west and the

to the south. It is bounded by the preserved counties of

Gwynedd Gwynedd () is a county in the north-west of Wales. It borders Anglesey across the Menai Strait to the north, Conwy, Denbighshire, and Powys to the east, Ceredigion over the Dyfi estuary to the south, and the Irish Sea to the west. The ci ...

to the north,

Powys Powys ( , ) is a Principal areas of Wales, county and Preserved counties of Wales, preserved county in Wales. It borders Gwynedd, Denbighshire, and Wrexham County Borough, Wrexham to the north; the English Ceremonial counties of England, ceremo ...

to the east and

West Glamorgan West Glamorgan () is a former administrative county in South Wales. It is now a preserved county. West Glamorgan was one of the divisions of the ancient county of Glamorgan. It was created on 1 April 1974, by the Local Government Act 1972 fr ...

to the southeast.

, the northernmost part of Dyfed, has a narrow coastal strip and the

Cambrian Mountains The Cambrian Mountains (, in a narrower sense: ''Elenydd'') are a series of mountain ranges in Wales. The term ''Cambrian Mountains'' used to apply to most of the upland of Wales, and comes from the country's Latin name . Since the 1950s, it ...

cover much of the east of the county. The highest point is

Plynlimon Plynlimon, or Pumlumon in Welsh language, Welsh (also historically anglicised as Plinlimon, Plynlymmon or Plinlimmon), is the highest point of the Cambrian Mountains in Wales (taking a restricted definition of the Cambrian Mountains, ex ...

at , on the slopes of which five rivers have their sources: the

Severn The River Severn (, ), at long, is the longest river in Great Britain. It is also the river with the most voluminous flow of water by far in all of England and Wales, with an average flow rate of at Apperley, Gloucestershire. It rises in t ...

, the Wye, the Dulas, the Llyfnant and the Rheidol, the first two of which flow eastwards into England and the last three of which flow westwards to the Irish Sea. Further south in Ceredigion the land is less mountainous, and the

River Teifi The River Teifi ( ; , ), formerly anglicised as Tivy, forms the boundary for most of its length between the Welsh counties of Ceredigion and Carmarthenshire, and for the final of its total length of , the boundary between Ceredigion and Pembr ...

forms the border with Carmarthenshire for part of its length. Carmarthenshire, the southeastern part of Dyfed, is mostly hilly, except for the river valleys and coastal strip.

Fforest Fawr Fforest Fawr (, ) is an extensive upland area in the county of Powys, Wales. Formerly known as the Great Forest of Brecknock in English, it was a royal hunting area for several centuries but is now used primarily for sheep grazing, forestry, wate ...

and Black Mountain extend into the east of Carmarthenshire and the

into the north. The highest point in Carmarthenshire is

Fan Foel Fan commonly refers to: * Fan (machine), a machine for producing airflow, often used for cooling * Hand fan, an implement held and waved by hand to move air for cooling * Fan (person), short for fanatic; an enthusiast or supporter, especially with ...

, , on the border with Powys. The

River Towy The River Towy (, ; also known as the River Tywi) is one of the longest rivers flowing entirely within Wales. Its total length is . It is noted for its sea trout and salmon fishing. Route The Towy rises within of the source of the River Teif ...

is the largest river and drains into the Bristol Channel, as do the

River Loughor The River Loughor () () is a river in Wales which marks the border between Carmarthenshire Carmarthenshire (; or informally ') is a Principal areas of Wales, county in the South West Wales, south-west of Wales. The three largest towns ar ...

, the

River Gwendraeth The River Gwendraeth () is a river in Carmarthenshire in West Wales. It has two almost equal branches that have their confluence in their joint estuary at Carmarthen Bay. The Gwendraeth Fawr ('large Gwendraeth' in English) is surprisingly the ...

and the

River Taf The River Taf () is a river in West Wales. It rises in the Preseli Hills, Pembrokeshire, and continues through Carmarthenshire to Laugharne. It is one of the three rivers to enter the sea on the east side of Carmarthen Bay. The other two are ...

. Carmarthenshire has a long coastline which is deeply cut by the estuaries of the Loughor, Gwendraeth, Tywi and Taf. The south coast has many fishing villages and sandy beaches and the eastern part around

and

Burry Port Burry Port () is a port town and community in Carmarthenshire, Wales, on the River Loughor, Loughor estuary (Moryd Llwchwr), to the west of Llanelli and south-east of Kidwelly. Its population was recorded at 5,680 in the 2001 census and 6,156 ...

is more industrial. Pembrokeshire, the southwestern part of Dyfed, juts out into the Irish Sea and has a long, much indented, coastline. It does not have the mountains found in other parts of Dyfed but much of the interior is still hilly. In the north are the

Preseli Hills The Preseli Mountains (, ; or ), also known as the Preseli Hills, or just the Preselis, are a range of hills in western Wales, mostly within the Pembrokeshire Coast National Park and entirely within the county of Pembrokeshire. The range ...

(Mynydd Preseli), a wide stretch of high

moorland Moorland or moor is a type of Habitat (ecology), habitat found in upland (geology), upland areas in temperate grasslands, savannas, and shrublands and the biomes of montane grasslands and shrublands, characterised by low-growing vegetation on So ...

. The highest point in the Preseli Hills is

Foel Cwmcerwyn Foel Cwmcerwyn is the highest point of the Preseli Mountains and of Pembrokeshire. Location Foel Cwmcerwyn lies within the borders of the Pembrokeshire Coast National Park, which includes most of the Preselis. A path leads to the summit from t ...

at , and this is the highest point in Pembrokeshire. The largest river is the

River Cleddau The River Cleddau () consists of the Eastern and Western Cleddau rivers in Pembrokeshire, west Wales. They unite to form the Daugleddau estuary and the harbour of Milford Haven Waterway. The name of the combined estuary – the Daugleddau � ...

which has two main branches which join to form the Daugleddau estuary, which forms the important harbour of Milford Haven which enters the sea at the southwestern corner of the county. The areas around the River Cleddau are mainly level, low-lying land with many inlets and creeks. The coastline of Pembrokeshire has cliffs in places, and numerous

bay A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay. A large bay is usually called a ''gulf'', ''sea'', ''sound'', or ''bight''. A ''cove'' is a small, ci ...

s and sandy beaches. The county contains the

Pembrokeshire Coast National Park Pembrokeshire Coast National Park () is a National Parks of England and Wales, national park along the Pembrokeshire coast in west Wales. It was established as a National Park in 1952. It is one of the three National parks of Wales, the others ...

, which contains the walking trail, the

Pembrokeshire Coast Path The Pembrokeshire Coast Path (), often called the Pembrokeshire Coastal Path, is a designated National Trail in Pembrokeshire, southwest Wales. Established in 1970, it is a long-distance walking route, mostly at cliff-top level, with a total ...

References