• United Nations Group of Experts on Geographical Names (UNGEGN)
  • UNECE (United Nations Economic Commission for Europe) website: http://www.unece.org and http://www.unece.org/cefact/locode/service/location.htm
  • Working Group on Romanization Systems
  • Working Group on Toponymic Data Files and Gazetteers
  • Working Group on Training Courses in Toponymy