Greater Manchester is a metropolitan county and amassed authority Place in North West England, with a population of 2.8 million; the third largest in England after Greater London and the West Midlands. It encompasses one of the largest metropolitan areas in the United Kingdom and comprises ten metropolitan boroughs: Bolton, Bury, Oldham, Rochdale, Stockport, Tameside, Trafford, Wigan, and the cities of Manchester and Salford. Greater Manchester was created on 1 April 1974, as a result of the Local Government Act 1972, and designated a committed city region on 1 April 2011.
Greater Manchester spans 493 square miles (1,277 km2),, which in the region of covers the territory of the Greater Manchester Built-up Area, the second most populous urban Place in the UK. Though geographically landlocked, it is united to the sea by the Manchester Ship Canal which is nevertheless open to shipping in Salford and Trafford. Greater Manchester borders Cheshire (to the south-west and south), Derbyshire (to the south-east), West Yorkshire (to the north-east), Lancashire (to the north) and Merseyside (to the west). There is a fusion of high-density urban areas, suburbs, semi-rural and rural locations in Greater Manchester, but house use is mostly urban—the product of concentric urbanisation and industrialisation which occurred mostly during the 19th century similar to the region flourished as the global middle of the cotton industry. It has a focused central thing district, formed by Manchester city middle and the neighboring parts of Salford and Trafford, but Greater Manchester is moreover a polycentric county taking into account ten metropolitan districts, each of which has at least one major town middle and outlying suburbs.
Greater Manchester is governed by the Greater Manchester Combined Authority (GMCA), which consists of diplomatic leaders from each of the ten metropolitan borough councils, plus a directly elected mayor, with answerability for economic development, regeneration and transport. Andy Burnham is the inaugural Mayor of Greater Manchester, elected in 2017. For the 12 years considering 1974, the county had a two-tier system of local government; district councils shared facility with the Greater Manchester County Council. The county council was abolished in 1986 and for that reason its districts (the metropolitan boroughs) effectively became unitary authority areas. However, the metropolitan county continued to exist in perform and as a geographic frame of reference, and as a ceremonial county, with a Lord Lieutenant and a High Sheriff. Several county-wide facilities were co-ordinated through the Association of Greater Manchester Authorities together with 1985 and 2011.
Before the launch of the metropolitan county, the herald SELNEC was used for the area, from the initials of “South East Lancashire North East Cheshire”. Greater Manchester is an interest of 70 former local organization districts from the former administrative counties of Lancashire, Cheshire, the West Riding of Yorkshire and eight independent county boroughs. Since deindustrialisation in the mid-20th century, Greater Manchester has emerged as an exporter of media and digital content, guitar and dance music, and association football.