I want a divorce, but I don't know we he is. How do I go about getting a divorce? I live in ga .

Contact a lawyer in your area.

Here is some information that should help you. I don't know how long it has been since you had contact with your husband, but you may be able to get a divorce granted, without the requirement of your husband's signature, if you file for abandonment.

State Bar of Georgia - Divorce

But, as the always wise talaniman states, contact a lawyer in your area. Speak to co-workers, neighbors, family, friends... to see if someone has a recommendation for a good attorney. Good Luck!