Regions of Ikebana International in which Chapters are located are
Asia, Africa, Australia and New Zealand, Europe, Middle East, North and Central America and South America.
There exist three active Inter-chapter Liaisons;NCA Regional Advocate, Asian Liaison Office, and South American Liaison Office.

Inter-Chapter Liaison Committees may be formed within suitable geographical areas for the purpose of interchange of ideas concerning chapter activities and cooperation in organizing programs and local chapter policies that are of mutual benefit to the chapters in a particular area.