[provincial electoral district] Frontenac is a former provincial electoral district in the Chaudière-Appalaches region of the province of Quebec, Canada, which elected members to the National Assembly of Quebec. As of its final election, it included the city of Thetford Mines and the municipality of Disraeli. It is not to be confused with ... Found on http://en.wikipedia.org/wiki/Frontenac_(provincial_electoral_district)