Merthyr Tydfil County Borough

Merthyr Tydfil County Borough Bwrdeistref Sirol Merthyr Tudful (Welsh)
County borough
Left to Right: Taff Bargoed Community Park, Treharris Water tower at Pontsticill Reservoir Cyfarthfa Castle near Merthyr Tydfil
Coat of arms
Motto(s):  Welsh: Nid Cadarn Ond Brodyrdde, lit. 'not force but fellowship'
Merthyr Tydfil shown within Wales
Coordinates: 51°45′N 3°23′W / 51.750°N 3.383°W / 51.750; -3.383
Sovereign state	United Kingdom
Country	Wales
Preserved county	Mid Glamorgan
Incorporated	1 April 1974
Unitary authority	1 April 1996
Named for	Merthyr Tydfil
Administrative HQ	Civic Centre, Merthyr Tydfil
Government [1]
• Type	Principal council
• Body	Merthyr Tydfil County Borough Council
• Control	Independent
• MPs	Gerald Jones (L)
• MSs	Dawn Bowden (L) +4 regional members
Area [2]
• Total	43 sq mi (111 km2)
• Rank	21st
Population  (2022)[2]
• Total	58,883
• Rank	22nd
• Density	1,370/sq mi (528/km2)
Welsh language (2021) [3]
• Speakers	8.9%
• Rank	15th
Time zone	UTC+0 (GMT)
• Summer (DST)	UTC+1 (BST)
ISO 3166 code	GB-MTY
GSS code	W06000024
Website	merthyr.gov.uk

Merthyr Tydfil County Borough (Welsh: Bwrdeistref Sirol Merthyr Tudful) is a county borough (since 1908) in the south-east of Wales. In 2022, it had an estimated population of 58,883,^[2] making it the smallest local authority in Wales by population. 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.