Consisting of that part of the Regional Municipality of York comprised of:
(a) that part of the City of Vaughan lying easterly and southerly of a line described as follows: commencing at the intersection of the southerly limit of said city with Highway No. 400; thence northerly along said highway to Rutherford Road; thence easterly along said road to the westerly limit of the Town of Richmond Hill; and
(b) that part of the Town of Markham lying westerly of Highway No. 404.
Source Elections Canada