Yup. Another Czech on their own instance(s) is @dominik@chrastecky.dev aka @rikudou@lemmings.world. You are correct, a weird cultural thing we have is thinking our country is smaller and less significant than it really is, and I’m also guilty of this.

Anyway, here’s a list of Czechs we know of: https://lemmy.librebun.com/post/85557

And yes, there’s the !prague@feddit.org community.