Pont-y-Cafnau

The Cyfarthfa Ironworks were major 18th- and 19th-century ironworks in Cyfarthfa, on the north-western edge of Merthyr Tydfil, in South West Wales.

Cyfarthfa is a community and electoral ward in the west of the town of Merthyr Tydfil in Merthyr Tydfil County Borough, Wales.

Park (Welsh: Y Parc) is a community and electoral ward of the county borough of Merthyr Tydfil, in Wales.

Heolgerrig Halt railway station served the village of Heolgerrig, in the historical county of Glamorgan, Wales, from 1937 to 1961 on the Brecon and Merthyr Tydfil Junction Railway.

Vaynor and Penderyn High School was situated at Cefn Coed, Merthyr Tydfil in Wales. Although now part of Merthyr Tydfil, the area covered by the school was part of the old county of Brecknockshire (Breconshire) until local government reorganisation in 1974. The designated catchment area of the school was made up of the communities served principally by Ysgol y Graig Primary in Merthyr Tydfil and Penderyn and Hirwaun Primary Schools in Rhondda Cynon Taff, and is an area which suffers a high degree of economic deprivation. The school had an age range of 11-18 and a capacity of 455 places which would be small for a secondary school even if full. The School was opened by Robert Crawshay in 1861 but closed in 2005.

Joseph Parry's Cottage, also known as 4 Chapel Row, is a cottage located in Merthyr Tydfil, in South Wales. Built in the early 19th century for ironworkers, the cottage is best known as the birthplace of the famous Welsh composer Joseph Parry (1841–1903). It is now open to the public as a museum.

Cefn-coed-y-cymmer (pronounced [ˌkɛvɛnˌkɔi̯dəˈkəmɛr]) is a small community on the northwestern edge of Merthyr Tydfil County Borough in Wales. It is situated in the neck of land between the rivers Taf Fawr and Taf Fechan at their confluence (Welsh: 'cymer'). The village lies within the community of Vaynor. Immediately to the north of the village is the hill of Cefn Cil Sanws on the southern slopes of which is Merthyr Tydfil Golf Club. The village is bounded both to the north and the west by the Brecon Beacons National Park.Notable features of the village are the A465 Heads of the Valleys Road and the impressive curving Cefn Coed Viaduct. The viaduct, which spans the Taf Fawr river, came into being as part of the Merthyr- Pontsticill junction line. This additional line extended the Brecon and Merthyr Railway and was only agreed following a special Act of Parliament in July 1862 to allow its construction. The Cefn Coed Cemetery with its Jewish burial ground is listed on the Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales.

Heolgerrig (Welsh for "stony road"; formerly "Pen-yr-Heolgerrig") is a small village in Merthyr Tydfil County Borough, Wales. It is part of the community of Cyfarthfa. It lies just west of Merthyr Tydfil, and is separated from it by the main A470 trunk road. Village amenities include the Heolgerrig primary school, The Red Lion pub, The Heolgerrig Social Club, three chapels and a post office and small convenience store.

Cefn Coed railway station served the suburb of Cefn-coed-y-cymmer, Glamorgan, Wales, from 1867 to 1964 on the Brecon and Merthyr Tydfil Junction Railway.

The Glamorganshire Canal in South Wales, UK, was begun in 1790. It ran along the valley of the River Taff from Merthyr Tydfil to the sea at Cardiff. The final section of canal was closed in 1951.

Merthyr Tydfil County Borough (Welsh: Bwrdeistref Sirol Merthyr Tudful) is a county borough (since 1908) in the south-east of Wales. In mid 2018, it had an estimated population of 60,183 making it the smallest local authority in Wales by both population and land area. It is located in the historic county of Glamorgan and takes its name from the town with the same name. The county borough consists of the northern part of the Taff Valley and the smaller neighbouring Taff Bargoed Valley. It borders the counties of Rhondda Cynon Taf to the west, Caerphilly County Borough to the east, and Powys to the north.

Prince Charles Hospital (Welsh: Ysbyty'r Tywysog Siarl) is a district general hospital in Gurnos, Merthyr Tydfil, Wales. It is managed by the Cwm Taf Morgannwg University Health Board.