Geography of Sheffield (Totley Brook passes south of Totley and meets Old Hay Brook at Needham's Dyke). The Sheaf flows northwards to join the River Don near Blonk Street Bridge in the city centre. This lower section of the River Sheaf together with the River Don, between the present Blonk Street and Lady's Bridge, formed part of the perimeter of Sheffield Castle. Porter Brook's source is just inside the Peak District National Park, to the west of the city, at Clough Hollow, also near Ringinglow. From here it flows eastward to meet the Sheaf, at a point now located underneath Sheffield Midland Station.
City ward, Sheffield City ward, Sheffield City ward — which includes the districts of Highfield, Kelham Island and the city centre — is one of the 28 electoral wards in City of Sheffield, England. It covers the central area of the city. The ward was created following the 2015 local government boundary review out of part of the old Central ward, which, with a population of 36,412, was the largest ward in the UK. City is one of the wards that make up the Sheffield Central constituency. Sheffield City Centre ()—often just referred to as "town"—is the area within roughly ¾ mile (1.2