Tees Valley

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Tees Valley Teesside
Combined authority area
Middlesbrough, Darlington, Stockton-on-Tees, Hartlepool and Redcar
Wordmark
Coordinates: 54°36′18″N 1°15′25″W / 54.605°N 1.257°W / 54.605; -1.257
Sovereign state	United Kingdom
Country	England
Region	North East England
Counties	County Durham (north) - River Tees - North Yorkshire (south)
Established	2011 (as a Local enterprise partnership)
Administrative HQ	Thornaby (Cavendish House)
Boroughs	List Darlington Hartlepool Middlesbrough Redcar and Cleveland Stockton-on-Tees
Government
• Type	Combined authority Local enterprise partnership
• Body	Tees Valley Combined Authority
• Mayor	Ben Houchen (Conservative)
Area
• Total	306.93 sq mi (794.95 km2)
Population  (2021)[1]
• Total	678,400
• Density	2,200/sq mi (850/km2)
Time zone	UTC+0 (Greenwich Mean Time)
• Summer (DST)	UTC+1 (British Summer Time)
Website	www.teesvalley-ca.gov.uk

Tees Valley is a combined authority area in Northern England, around the lower River Tees. The area is not a geographical valley; the local term for the valley is Teesdale.^[2] The combined authority covers five council areas: Darlington, Hartlepool, Middlesbrough, Redcar and Cleveland and Stockton-on-Tees.

The town of Middlesbrough is the largest population centre in the area. The borough of Middlesbrough is the smallest of the five, at only 54 square kilometres (21 sq mi) and a population of 148,285: the Stockton-on-Tees borough (including multiple towns) is the largest with an area of 205 square kilometres (79 sq mi) and a population of 199,966, as of 2022

From 1968 until 1974, parts of the area were included in the County Borough of Teesside council area. This was replaced by Cleveland county; it consisted of four districts which became unitary authorities after the county was abolished in 1996. The Darlington district in the Durham county council area became a unitary authority in 1997. A LEP of the same name was established in 2011 and became part of the 2016-created Tees Valley Combined Authority with^{[clarification needed]} the local council.