The letters M.D.I.O. stand for Multi-District Information Organisation. They are a formal structure, recognized by Rotary International, for the purpose of facilitating communication between Rotaract clubs in the districts forming this M.D.I.O. The M.D.I.O. has no decision making or legislative powers over the Rotary or Rotaract organisation, except for decisions concerning the activities of the M.D.I.O itself. There are 23 MDIOs around the world and they are shown in this map: