The European Hematology Association (EHA) is a professional organization representing hematologists. It was founded in Brussels, Belgium, in June 1992. The Association organised a biennial congress in a European city. From 1998, it became an annual event, taking place in June. Gradually, the activities expanded to cover many complementary subjects. Today, the Executive Office of the Association resides in The Hague, Netherlands, and serves a membership of over 3,200 from 100 countries.