The Cardiff-Newport metropolitan area is a metropolitan area in South East Wales in the Gwent and South Glamorgan counties of Wales, United Kingdom. The metropolitan area includes the cities of Cardiff and Newport. Along with a number of towns in the South Wales Valleys including Merthyr Tydfil, Pontypridd, Caerphilly, Bridgend and Ebbw Vale. With these outlying settlements the metropolitan area has a population of 1.09 million.
The area is also referred as the "Cardiff and South Wales Valley metropolitan area". The area forms the largest metropolitan area in Wales with the next largest being centred on Swansea Urban Area.
Cardiff is the official capital of Wales since 1955 and has been a city since 1905. The other city in the area, Newport only became one in 2002. The towns of Bridgend, Caerphilly, Ebbw Vale, Merthyr Tydfil and Pontypridd grew rapidly during the industrial revolution with industry focused on ironmaking and coal mining whilst the cities of Newport and Cardiff grew on the backs of the shipping industry.
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- "British urban pattern: population data" (PDF). ESPON project 1.4.3 Study on Urban Functions. European Spatial Planning Observation Network. March 2007. p. 119. Retrieved 8 March 2019.
- Office for National Statistics: Census 2001, Key Statistics for urban areas, List of Urban Area Names and Codes