It consisted of the territorial district of Parry Sound.
In 1933, it was expanded to include, in the territorial district of Nipissing, the townships of Ballantyne, Wilkes, Pentland, Boyd, Paxton, Biggar, Osler, Lister, Butt, Devine, Bishop, Freswick, McCraney, Hunter, McLaughlin, Bower, Finlayson, Peck, Canisbay and Sproule.
The electoral district was abolished in 1947 when it was merged into Parry Sound-Muskoka riding.
Members of Parliament
This riding elected the following members of the House of Commons of Canada: