What language is natalia?

"Natalia" is a name, not a language. It's a popular name of Slavic origin, most commonly found in Russia, Ukraine, and other Slavic countries.

If you're asking about the language spoken by someone named Natalia, you'll need to provide more context! For example:

* Where is Natalia from? Knowing her country of origin would be a good starting point.

* What is Natalia's background? Her ethnicity or family history could give clues about the language she speaks.

Let me know if you can provide more information, and I'll do my best to help!