Which Canadian Cities have Suburbs?

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Was reading the Proposals thread and someone pointed out that Kelowna has suburbs. I've never thought of it that way. Though I've never been there.

So other than the obvious cities, which cities do locals consider to have suburbs or describe their town as a suburb? Like has anyone ever said I come from Innisfil, it's a suburb of Barrie? Or does someone from Grimsby (in the Hamilton CMA, though in Niagara Region) ever say I live in a suburb of Hamilton?

Which cities are on their way to being considered a regional hub that people will start to consider it having suburbs and not just towns within the CMA?

Hamilton pre-amalgamation I can picture people in Dundas, Flamboro or Ancaster occasionally telling someone from out of province that they live in a town called Ancaster, it's a suburb of Hamilton, and so on.

I've heard others in the Ontario section mention Windsor suburbs and even though I went to school there a long time ago, I never thought of those towns as suburbs, but rather towns in the same county or just nearby towns.

Speaking of counties, this is similar to a thread I started a couple of years ago where I asked if people say the live in such and such county as opposed to just saying the town or city they live in.

There are several populous and well known Ontario cities and I've talked to many people who come from nearby towns who, for example, say I'm from St. Thomas, just outside London.

Quebec I can't comment on much on due to the language thing, but how about Trois Rivieres?

Out east, there are small cities that are regional hubs or capitals. Do Saint John, Freddy, Moncton and Charlottetown have suburbs?

I assume Regina and Saskatoon have suburbs, but how much is the term suburb used there?