What does sabia mean in greek?

There isn't a word "sabia" in standard Modern Greek or Ancient Greek. It's possible:

* It's a misspelling: Could you be thinking of a similar-sounding word? Perhaps a name or a word from a dialect?

* It's a word from another language: "Sabia" might be a word from another language, possibly one with historical ties to Greece, but not itself Greek.

* It's a very rare or archaic word: While unlikely, it's possible it's an extremely obscure word.

To help me find the meaning, please provide more context: where did you encounter this word?