This link will help you locate Al-Anon meetings close to you. Any meeting will work, but each have different "flavors" as they are just made up of people, and groups of people differ in chemistry. It's suggested you try at least six different ones to find a good "fit" so you will feel comfortable.
Don't underestimate the enormity of this condition. He is showing evidence of poly-addictions and this is a tough monster.
Welcome to SR!
CLMI