The UN is composed of six principal organs and numerous subordinate agencies and bodies as follows:
Habitat Commission on Human Settlements
UNCTAD (United Nations Conference on Trade and Development)
UNDP (United Nations Development Program)
UNEP (United Nations Environment Program)
UNFPA (United Nations Population Fund)
UNHCR (United Nations Office of High Commissioner for Refugees)
UNICEF (United Nations Children's Fund)
UNITAR (UN Institute for Training and Research)
UNRWA (United Nations Relief and Works Agency for Palestine Refugees in the Near East)
UN Special Fund
UN University
WFC World Food Council
WFP World Food Program
Peacekeeping Forces and Organizations:
UNAVEM II United Nations Angola Verification Mission
UNDOF United Nations Disengagement Observer Force
UNFICYP United Nations Force in Cyprus
UNIFIL United Nations Interim Force in Lebanon
UNMOGIP United Nations Military Observer Group in India and
Pakistan
UNTSO United Nations Truce Supervision Organization
UNIKOM United Nations Iran-Kuwait Observation Mission
MINURSO United Nations Mission for the Referendum in Western
Sahara
ONUSAL United Nations Observer Mission in El Salvador
UNTAC United Nations Transitional Authority in Cambodia
UNPROFOR United Nations Protection Force
UNOSOM II United Nations Operation in Somalia
UNOMIG United Nations Observer Mission in Georgia
UNOMOZ United Nations Operation in Mozambique
UNOMUR United Nations Observer Mission Uganda-Rwanda
Commissions Established Pursuant to SC Res.687:
UNSCOM UN Special Commission
United National Compensation Commission
UN Iraq/Kuwait Boundary Demarcation Commission
Specialized agencies:
FAO (Food and Agriculture Organization of the United Nations)
IBRD (International Bank for Reconstruction and Development)
ICAO (International Civil Aviation Organization)
IDA (International Development Association)
IFAD (International Fund for Agricultural Development)
IFC (International Finance Corporation)
ILO (International Labor Organization)
IMF (International Monetary Fund)
IMO (International Maritime Organization)
ITU (International Telecommunication Union)
UNESCO (United Nations Educational, Scientific, and Cultural Organization)
UNIDO (United Nations Industrial Development Organization)
UPU (Universal Postal Union)
WHO (World Health Organization)
WIPO (World Intellectual Property Organization)
WMO (World Meteorological Organization)
Related organizations:
GATT (General Agreement on Tariffs and Trade)
IAEA (International Atomic Energy Agency)
Regional commissions:
ECA (Economic Commission for Africa)
ECE (Economic Commission for Europe)
ECLAC (Economic Commission for Latin America and the Caribbean)
ESCAP (Economic and Social Commission for Asia and the Pacific)
ESCWA (Economic and Social Commission for Western Asia)
Functional commissions:
Commission on Human Rights
Commission on Narcotics Drugs
Commission for Social Development
Commission on the Status of Women
Population Commission
Statistical Commission
Commission on Science and Technology for Development
Commission on Sustainable Development
Commission on Crime Prevention and Criminal Justice
Commission on Transnational Corporations