Castlefield is an inner city

Inner city

The inner city is the central area of a major city or metropolis. In the United States, Canada, United Kingdom and Ireland, the term is often applied to the lower-income residential districts in the city centre and nearby areas...

 area of Manchester

Manchester

Manchester is a city and metropolitan borough in Greater Manchester, England. According to the Office for National Statistics, the 2010 mid-year population estimate for Manchester was 498,800. Manchester lies within one of the UK's largest metropolitan areas, the metropolitan county of Greater...

, in North West England

North West England

North West England, informally known as The North West, is one of the nine official regions of England.North West England had a 2006 estimated population of 6,853,201 the third most populated region after London and the South East...

. The conservation area which bears its name is bounded by the River Irwell

River Irwell

The River Irwell is a long river which flows through the Irwell Valley in the counties of Lancashire and Greater Manchester in North West England. The river's source is at Irwell Springs on Deerplay Moor, approximately north of Bacup, in the parish of Cliviger, Lancashire...

, Quay Street

A34 road

The A34 is a major road in England. It runs from the A6042 in Salford to Winchester in Hampshire. It forms a large part of the major trunk route from Southampton, via Oxford, to Birmingham, The Potteries and Manchester...

, Deansgate

Deansgate

Deansgate is a main road through the city centre of Manchester, England. It runs roughly north–south in a near straight route through the western part of the city centre and is the longest road in the city centre at over one mile long....

 and the Chester Road

A56 road

The A56 is a road in England which extends between the city of Chester in Cheshire and the village of Broughton in North Yorkshire. The road contains a mixture of single and dual carriageway sections, and traverses environments as diverse as the dense urban sprawl of inner city Manchester and the...

. It was the site of the Roman era

Roman Empire

The Roman Empire was the post-Republican period of the ancient Roman civilization, characterised by an autocratic form of government and large territorial holdings in Europe and around the Mediterranean....

 fort

Castra

The Latin word castra, with its singular castrum, was used by the ancient Romans to mean buildings or plots of land reserved to or constructed for use as a military defensive position. The word appears in both Oscan and Umbrian as well as in Latin. It may have descended from Indo-European to Italic...

 of Mamucium or Mancunium which gave its name to Manchester. It was the terminus of the Bridgewater Canal

Bridgewater Canal

The Bridgewater Canal connects Runcorn, Manchester and Leigh, in North West England. It was commissioned by Francis Egerton, 3rd Duke of Bridgewater, to transport coal from his mines in Worsley to Manchester...

, the world's first industrial canal built in 1764, with the oldest canal warehouse opening in 1779. The world's first passenger railway terminated here in 1830, at Liverpool Road railway station

Liverpool Road railway station (Manchester)

Manchester Liverpool Road is a former railway station on the Liverpool and Manchester Railway in Manchester, England which opened on 15 September 1830. The L&MR station was the terminus of the world's first inter-city passenger railway in which all services were hauled by timetabled steam locomotives...

 and the first railway warehouse opened here in 1831.

The Rochdale Canal

Rochdale Canal

The Rochdale Canal is a navigable "broad" canal in northern England, part of the connected system of the canals of Great Britain. The "Rochdale" in its name refers to the town of Rochdale, Greater Manchester, through which the canal passes....

 met the Bridgewater Canal at Castlefield in 1805 and in the 1830s they were linked with the Mersey and Irwell Navigation by two short cuts.