This page provides generic information that is relevant to the work of the Protocol Service of the United Nations Office at Vienna and its stakeholders.
Membership in the Organization, in accordance with the Charter of the United Nations, “is open to all peace-loving States
that accept the obligations contained in the United Nations Charter and, in the judgment of the Organization, are able to
carry out these obligations”. States are admitted to membership in the United Nations by decision of the General Assembly
upon the recommendation of the Security Council.
The United Nations Secretariat in New York maintains a comprehensive list of all Member States of the United Nations.
A comprehensive list of the Heads of State, Heads of Government and Ministers for Foreign Affairs with their official titles
is kept by the Protocol and Liaison Service of the United Nations Secretariat in New York. Changes to the list are based on
information communicated to the Chief of Protocol of the United Nations Secretariat by the Permanent Missions to the United
Nations in New York.
The list is updated regularly.
The Protocol and Liaison Service of the United Nations Secretariat maintains a list of Senior Officials of the United Nations (Under-Secretaries-General and Assistant-Secretaries-General).
The Protocol and NGO Liaison Service of the United Nations Office at Vienna refers to the following webpage for download and further information.
The Flag of the United Nations was created on 20 October 1947. Its use, as well as flag protocol of the United Nations is regulated by the United Nations Flag Code and regulations of 1 January 1967.
At the Memorial Plaza of the Vienna International Centre, the flags of all 193 Member States of the United Nations are displayed. The Protocol and NGO Liaison Service of the United Nations Office at Vienna has compiled an overview of all flags of Member States for reference, based on the information received by Permanent Missions. The Missions accredited to the United Nations Office at Vienna are kindly asked to inform the Protocol Office of any changes to their respective flags.