Posted in Government & Military, Health & Medicine, Organizations GZZZ stands for Gradski Zavod Za Zastitu (Serbia; municipal public health agency) GZZZ Share Pinterest Tweet Whatsapp Post navigation KZTVZTR Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.