The Central American Integration System maintains offices at UN Headquarters and can observe sessions of the UNGA.
The UN's chief administrative officer is the secretary-general, currently Portuguese politician and diplomat Antnio Guterres, who began his first five year-term on 1 January 2017 and was re-elected on 8 June 2021
 Its sitelike UN headquarters buildings in Geneva, Vienna, and Nairobiis designated as international territory

