Toronto

Toronto, Ontario, is the largest city in Canada.

Energon
Toronto was one of four Earth cities attacked by Alpha Quintesson. An Autobot unit led by Hot Shot defended it from hoards of Divebomb clones.

Trivia
Since 2004, Toronto has been the home of TFcon (formerly TransformersCon), the second-largest Transformers convention in the world after BotCon.