It is situated 61 miles (98 km) south-west of London and 13.6 miles (21.9 km) from Southampton, its closest city.At the time of the 2011 Census, Winchester had a population of 45,184.He created the drainage system, the 'Lockburn', which served as the town drain until 1875, and still survives.
The area around Winchester has been inhabited since prehistoric times, with three Iron Age hillforts, Oram's Arbour, St.
Catherine's Hill, and Worthy Down all in the nearby vicinity.
The wider City of Winchester district which includes towns such as Alresford and Bishop's Waltham has a population of 116,800.
Winchester developed from the Roman town of Venta Belgarum, which in turn developed from an Iron Age oppidum.
This became a cathedral in the 660s when the West Saxon bishopric was transferred from Dorchester-on-Thames.
The present form of the city dates to reconstruction in the late 9th century, when king Alfred the Great obliterated the Roman street plan in favour of a new grid in order to provide better defence against the Vikings.
It seems to have been known as Wentā or Venta, from the Brittonic for "town" or "meeting place".) of the Belgae and was distinguished as Venta Belgarum, "Venta of the Belgae".
Although in the early years of the Roman province it was of subsidiary importance to Silchester and Chichester, Venta eclipsed them both by the latter half of the second century.
In 2013, businesses involved in the housing market were reported by a local paper as saying the city's architectural and historical interest, and its fast links to other towns and cities have led Winchester to become one of the most expensive and desirable areas of the country and ranked Winchester as one of the least deprived areas in England and Wales.