Grenville—Carleton  Grenville–Carleton was a federal electoral district represented in the House of Commons of Canada from 1968 to 1979. It was located in the province of Ontario. This riding was created in 1966 from parts of Caleton and Grenville—Dundas ridings. It consisted of:   The electoral district was abolished in 1976 when it was redistributed between Leeds—Grenville, Nepean—Carleton, Ottawa Centre, Ottawa West-Nepean and Stormont—Dundas ridings. This riding has elected the following Members of Parliament: