From the Wikipedia page 
The Metropolitan Borough of Stockport is a metropolitan borough of Greater Manchester in North West England. As well as the town of Stockport, it includes the outyling areas of Bramhall, Cheadle, Cheadle Hulme, Marple, Bredbury, Reddish, Woodley and Romiley.
There are four parliamentary constituencies in the Stockport Metropolitan Borough: Stockport, Cheadle, Hazel Grove, and Denton and Reddish. Stockport has been represented by Ann Coffey (Labour) since 1992. Mary Robinson (Conservative) has been MP for Cheadle since 2015. William Wragg (Conservative) has been MP for Hazel Grove since 2015. The constituency of Denton and Reddish bridges Stockport and Tameside; the current member is Andrew Gwynne (Labour).
There are 21 electoral wards in Stockport, each with 3 councillors, giving a total of 63 councillors.