It's possible that:
* It's a misspelling: It could be a misspelling of a different name.
* It's a regional name: It might be a name unique to a specific culture or region.
* It's a fictional name: It could be a made-up name used in a book, movie, or other work of fiction.
To figure out what "Zhania" means, you need more context. If you can provide more information about where you encountered this name, I might be able to help you further.