"Nar-Anon is a twelve-step program designed to help relatives and friends of addicts recover from the effects of living with an addicted relative or friend. Nar-Anon's program of recovery uses Nar-Anon's Twelve Steps and Twelve Traditions. The only requirement to be a member and attend Nar-Anon meetings is that there is a problem of drugs or addiction in a relative or friend. Nar-Anon is not affiliated with any other organization or outside entity."
-From their website
Their website is for the official Nar-Anon Family Groups World Services headquarters and includes support literature, information about conferences and events and a registry for Nar-Anon meetings.