• United Nations Group of Experts on Geographical Names (UNGEGN)
• UNECE (United Nations Economic Commission for Europe) website:
  • http://www.unece.org
  • http://www.unece.org/cefact/locode/service/location.htm
• Working Group on Romanization Systems
• Dutch- and German-speaking Division
• UNGEGN East Central and South-East Europe Division
• Slovene Governmental Commission for the Standardisation of Geographical Names
• EuroGeoNames project website: 
  • http://www.eurogeonames.com (general information on the EuroGeoNames project)