Mississauga East  Mississauga East was a federal and provincial electoral district in Ontario, Canada, that was represented in the House of Commons of Canada from 1988 to 2003, and in the Legislative Assembly of Ontario from 1975 to 2007. It was located in the city of Mississauga. This riding was created in 1987 from parts of Mississauga North riding. It consisted of the eastern part of the City of Mississauga. The electoral district was abolished by both the federal and provincial governments in 2003 when it was re-distributed into the ridings of Mississauga East—Cooksville (and provincial counterpart), Mississauga South (and provincial counterpart), and Mississauga—Brampton South (and provincial counterpart).