It consists of the municipalities of Blue Mountains, Collingwood, Clearview, Wasaga Beach, Springwater, Essa, New Tecumseth and Adjala-Tosorontio.

The provincial electoral district was created in 1999 when provincial ridings were defined to have the same borders as federal ridings.

It consisted initially of: In 2003, it was given its current boundaries as described above.

This riding has elected the following members of the Legislative Assembly of Ontario: Wilson resigned from cabinet and the Progressive Conservative caucus on November 2, 2018, and continued the term as an Independent MPP.

^ Change based on redistributed results