Where is Ontario?

Ontario - Mexico City Ontario - Alberta Ontario - Alfred and Plantagenet Ontario - Bancroft Ontario - Banff Ontario - Barrie Ontario - British Columbia Ontario - Calgary Ontario - Combermere Ontario - Conestoga College Ontario - Dawson Creek Ontario - Deep River Ontario - Detroit Ontario - Dieppe Ontario - Dryden Ontario - Edmonton Ontario - Elliot Lake Ontario - Fredericton Ontario - Greater Sudbury Ontario - Halifax Ontario - Hamilton Ontario - Hearst Ontario - Hornepayne Ontario - Kelowna Ontario - Kenora Ontario - Kimberley Ontario - Kirkland Lake Ontario - Lagoon City Ontario - Lake Louise Ontario - Langley Ontario - Manitoba Ontario - Manitouwadge Ontario - Mississauga Ontario - Moncton Ontario - Montreal Ontario - Moosonee Ontario - Newfoundland Ontario - Niagara Falls Ontario - North Bay Ontario - Nova Scotia Ontario - Ottawa Ontario - Pickering Ontario - Prince Edward Island Ontario - Quebec Ontario - Red Deer Ontario - Regina Ontario - Saskatchewan Ontario - Saskatoon Ontario - Sault Ste. Marie Ontario - Surrey Ontario - Thunder Bay Ontario - Timmins Ontario - Vancouver Ontario - Waterloo Ontario - Wawa Ontario - Allentown Ontario - Boston Ontario - Chicago Ontario - Delaware Ontario - Fort Frances Ontario - Grand Canyon National Park Ontario - Grand Rapids Ontario - Jamaica Ontario - Maine Ontario - Maryland Ontario - Massachusetts Ontario - Michigan Ontario - Minneapolis Ontario - Minnesota Ontario - New Jersey Ontario - New York Ontario - Newark Ontario - Ohio Ontario - Pennsylvania Ontario - Put-in-Bay Ontario - South Bend Ontario - Spring Valley Ontario - Tampa Ontario - The Whiteface Lodge, Lake Placid Ontario - Grand Forks Ontario - California Ontario - Huntington Beach Ontario - Buffalo Ontario - Oshkosh Ontario - Massena Ontario - Oregon Ontario - Atlanta Ontario - Rochester Ontario - Winnipeg Ontario - Vancouver