suddenly remembered that my city has its own "official anthem", and wondered how common it would be in other countries, and of course there's a lot of them
https://en.wikipedia.org/wiki/List_of_regional_anthems
the US states are not listed, because they have their own page:
@rnd Linz has some slogans, but no anthem to my knowledge. The region of upper austria does though, and it’s one of the very very few pieces of official media in the native tongue of austro-bavarian (as opposed to standard german)
https://de.wikipedia.org/wiki/Hoamatgsang
Hoamatgsang