The city Hamilton, Ontario did not originate from fanon, and more information can be found on their respective wiki(s). You may read more about it on the following wiki(s):

Hamilton, Ontario is a city in Ontario, Canada. It is one of the settings of the first few chapters in Wake of the Undead.

Wake of the Undead

In Wake of the Undead, Theodore Thomas wakes up on the side of a highway in Hamilton. He is later taken to a camp outside of the city, and his group eventually take refuge in an unknown school in the city outskirts. Hamilton's only true appearance, so far, is in Chapter One.