 Although Probus membership has its greatest concentrations in the United Kingdom, Australia and New Zealand, clubs today exist in many parts of the world, including the United States, Belgium, India, South Africa and several other countries in Africa and Asia.Probus clubs have no central governing body but in some countries Probus Centres have been established by country to disseminate information and assist clubs.Offices are staffed largely by volunteers and operating costs are met by member contributions.