Toronto and Montreal are the largest cites in Canada by population.
the two most largest cites are Ackland ans Wellington
Spain
Burlington is the largest city.
Louisville and Lexington.
Phoenix
Anchorage, Fairbanks and Juneau.
manila, cebu, and davao
The largest cities in Colorado based on population are Denver and Colorado Springs.
Providence,Warwick and Cranston
I think it is Berlin, Munich and Hamburg
Your english is misleading. Is refers to the largest city, but cities refers to more than one. Honolulu is the largest.