|leader_title3 = MPPs|leader_name3 = |leader_name = Larry O'Brien|established_title = Established|established_date = 1850 as "Town of Bytown"|established_title2 = Incorporated|established_date2 = 1855 as "City of Ottawa"|established_title3 = Amalgamated|established_date3 = January 1, 2001|area_footnotes =|area_magnitude =|area_total_km2 = 2778.64|area_total_sq_mi = 1072.9|area_land_km2 =|ar