Some aspects of activity of Croatian Society for Rheumatology of Croatian Medical Association are presented. It is founded in 1947 as Croatian Medical Association Section for Rheumatology, Balneoclimatology, and Physical Medicine. In 1967, the prevoius Section is divided in the two new ones: Rheumatology Section and Section for Physical Medicine and Rehabilitation. In 1992, Rheumatology Section is transformed in new Croatain Society for Rheumatology. From that time began the most active time resulted in organization of 13th Mediterranean Congress of Rheumatology in Cavtat in 2009.