Secretary-General
The Secretary-General is the chief administrative officer and head of the Secretariat.
Offices and Departments at Headquarters in New York
Executive Office of the Secretary-General
Office of Internal Oversight Services
Office of Legal Affairs
- Office of the Legal Counsel
- General Legal Division
- Treaty Section
- Codification Division
- International Trade Law Division
- Division for Ocean Affairs and the Law of the Sea
Department of Political and Peacebuilding Affairs
- Peacebuilding Support Office
- Office on Genocide Prevention and the Responsibility to Protect
- Africa I and II Divisions
- Americas Division
- Asia and the Pacific Division
- Europe Division
- Middle East and West Asia Division
- Electoral Assistance Division
- Division for Palestinian Rights
- Policy and Mediation Division
- Security Council Affairs Division
- Decolonization Unit
Office for Disarmament Affairs
- Weapons of Mass Destruction Branch
- Conventional Arms Branch
- Information and Outreach Branch
- Regional Disarmament Branch
- Conference on Disarmament Secretariat and Conference Support Branch
Department of Peace Operations
- Office of Operations
- Office of Military Affairs
- Office of Rule of Law and Security Institutions
- Police Division
- Mine Action Service
- Disarmament, Demobilization and Reintegration Section
- Criminal Law and Judicial Advisory Service: Justice and Corrections
- Security Sector Reform Unit
- Policy, Evaluation and Training Division
Department of Operational Support
- Department of Operational Support (DOS)
- Office of the Under-Secretary-General (OUSG)
- Office of Support Operations (OSO)
- Office of Supply Chain Management (OSCM)
- Division for Special Activities (DSA)
- Division of Administration, New York (DOA)
- Office of Information and Communication Technology
Office for the Coordination of Humanitarian Affairs
Office of Counter-Terrorism (OCT)
Department of Economic and Social Affairs
- Financing for Sustainable Development Office
- Office for Intergovernmental Support and Coordination for Sustainable Development
- Division for Inclusive Social Development
- Secretariat of the UN Forum on Forests
- Statistics Division
- Division for Sustainable Development Goals
- Population Division
- Economic Analysis and Policy Division
- Division for Public Institutions and Digital Government
- Capacity Development Office
- United Nations Forum on Forests
Department for General Assembly and Conference Management
- Central Planning and Coordination Division
- Documentation Division
- General Assembly and ECOSOC Affairs Division
- Meetings and Publishing Division
- Protocol and Liaison Service
Department of Global Communications
Department of Safety and Security
- Field Support Service
- Division of Regional Operations
- Division of Headquarters Security and Safety Services
Department of Management Strategy, Policy and Compliance
- Programme Planning, Finance and Budget
- Office of Human Resources
- Business Transformation & Accountability
- Office of Information and Communication Technology
- Umoja
Internal Justice Bodies
- Office of the United Nations Ombudsman
- Office of Administration of Justice
- UN Dispute Tribunal
- UN Appeals Tribunal [the United Nations Administrative Tribunal was abolished as of 31 December 2009 by GA resolution 63/253]
Other Offices
- Office of the Victims' Rights Advocate (UN response to Sexual Exploitation and Abuse)
- United Nations Joint Staff Pension Fund
- Secretariat of the UN System Chief Executives Board for Coordination (CEB)
- Ethics Office
- Global Compact Office
- United Nations Office for Partnerships (UNOP)
- United Nations Democracy Fund (UNDEF)
- United Nations Staff Union
Special Advisers, Representatives and Envoys
- Office of the High Representative for the Least Developed Countries, Landlocked Developing Countries and Small Island Developing States
- Office of the Special Adviser on Africa
- Office of the Special Advisers to the Secretary-General on the Prevention of Genocide and the Responsibility to Protect
- Office of the Special Representative of the Secretary-General for Children and Armed Conflict
- Office of the Special Representative of the Secretary-General on Sexual Violence in Conflict
Offices Outside the Main Headquarters
Geneva
- United Nations Office at Geneva
- Office of the United Nations High Commissioner for Human Rights
- Office for Disaster Risk Reduction
- UNCTAD
The United Nations Conference on Trade and Development is the United Nations body responsible for dealing with development issues, particularly international trade – the main driver of development.
Nairobi
Vienna
- United Nations Office at Vienna
- United Nations Office on Drugs and Crime
- United Nations Office for Outer Space Affairs
UN Regional Commissions
Bangkok
Beirut
Addis Ababa
Geneva
Santiago
See also UN System chart
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