Levistus's_Leviathan
5e Freelancer
But you could always invent a new town and place it on the map. Or change it. I don't think any Critical Role fan has the entirety of the Wildemount Gazetteer completely memorized, down to its population percentages and every settlement's mayor.I'll tell you why... if I change those details, there is always the risk a Wildemount fan will tell me I'm "running the game" wrong. If I want to create my own NPC for the mayor of this small town, I have to use this specific halfling or else I'm playing "contrary to the author's intent."
Bah. Now I know that mature players won't care, but these threads have taught me that I lot of people do care if you run something contrary to their expectations. Better if those expectations are set with something vague.
And if they somehow do notice you changed something . . . introduce it as a plot hook or something. Maybe they're the new mayor after the last one was assassinated or stepped down because of some scandal. Maybe the reason there are more Gnomes in this specific city than usual is that they're actually refugees from a gnomish settlement that was destroyed.
And if they still aren't fine with that . . . talk with them. Make it clear that this is your own version of the setting and not everything will fit Matt Mercer's specific vision of it. Say that you're pulling an Eberron.
I love having gazetteers like this. They are extremely worth the space and money to me. Otherwise I'd have to make that stuff up, and I would prefer to just search the book than have to come up with something. It's extremely worthwhile to me. And if it isn't to you, you're absolutely free to change it.
(Oh, and the reason the percentage population matters is for the Heroic Chronicle in the Player Creation section. You can roll to generate random NPCs and characters using that information.)