In an era of unprecedented global interconnectedness, international organizations serve as crucial facilitators of cooperation, peace, development and economic advancement among nations. These entities tackle a broad spectrum of global challenges, spanning health, humanitarian aid, environmental conservation and economic progress. This article aims to present a thorough compilation of international organizations and their respective headquarters, offering insights into the diverse array of issues they collectively address on a global stage.
Here is the complete list of international organizations with their respective headquarters:
| S. No. | Abbreviation | International Organizations | Headquarter |
| 1. | BRICS | Brazil-Russia-India-China-South Africa | Shanghai, China |
| 2. | EU | European Union | Brussels, Belgium |
| 3. | GATT | General Agreement on Tariffs and Trade | Geneva |
| 4. | AI | Amnesty International | London, England |
| 5. | ADB | Asian Development Bank | Mandaluyong, Philippines |
| 6. | ASEAN | Association of South-East Asian Nations | Jakarta, Indonesia |
| 7. | NATO | North Atlantic Treaty Organization | Brussels, Belgium |
| 8. | AU | African Union | Addis-Ababa, Ethopia |
| 9. | ICRC | International Committee of the Red Cross | Geneva, Switzerland |
| 10. | SAARC | South Asian Association for Regional Cooperation | Kathmandu, Nepal |
| 11. | UNEP | United Nations Environmental Programme | Nairobi, Kenya |
| 12. | WTO | World Trade Organization | Geneva, Switzerland |
| 13. | League of Arab States | Cairo, Egypt | |
| 14. | COMECON | Minsk, Belarus | |
| 15. | WCC | World Council of Churches | Geneva |
| 16. | EEC | European Energy Commission | Luxembourg |
| 17. | ECA | Economic Commission of Africa | Addis-Ababa |
| 18. | ECWA | Economic Commission of West Asia | Beirut, Lebanon |
| 19. | UNHCR | United Nations High Commission for Refugees | Geneva |
| 20. | IAEA | International Atomic Energy Agency | Vienna, Austria |
| 21. | UNIDO | United Nations Industrial Development Organization | Vienna, Austria |
| 22. | UNCTAD | United Nations Conference on Trade and Development | Geneva |
| 23. | WWF | World Wildlife Forum | Gland, Switzerland |
| 24. | IOC | International Olympic Committee | Lausanne, Switzerland |
| 25. | ECM | European Common Market | Geneva |
| 26. | CHOGM | Commonwealth Heads of Governments Meet | London |
| 27. | OPEC | Organization of Petroleum Exporting Countries | Vienna |
| 28. | OECD | Organization for Economic Cooperation and Development | Paris |
| 29. | CENTO | Central Treaty Organization | Ankara, Turkey |
| 30. | Commonwealth | London | |
| 31. | EEC | European Economy Community | Brussels, Belgium |
| 32. | ESRO | European Space Research Organization | Paris |
| 33. | BENELUX Economic Union | Brussels | |
| 34. | ESCAP | Economic and Social Commission for Asia and the Pacific | Bangkok |
| 35. | ECE | Economic Commission for Europe | Geneva |
| 36. | ECLAC | Economic Commission for Latin America and the Carribbean | Santiago, Chile |
| 37. | ESCWA | Economic and Social Commission for Western Asia | Beirut, Lebanon |
| 38. | ANZUS Council | Canberra, Australia | |
| 39. | UNCHS | United Nations International Children’s Emergency Fund | New York |
| 40. | UNFPA | United Nations Fund for Population Activities | New York |
| 41. | UNDP | United Nations Development Programme | New York |
| 42. | UNITAR | United Nations Institute for Training and Research | Geneva |
| 43. | UNRISD | United Nations Research Institute for Social Development | Geneva |
| 44. | FAO | Food and Agriculture Organization | Rome, Italy |
| 45. | ICAO | International Civil Aviation Organization | Montreal, Canada |
| 46. | IFAD | International Fund for Agricultural Development | Rome |
| 47. | ILO | International Labour Organization | Geneva |
| 48. | IMF | International Monetary Fund | Wahington |
| 49. | ITU | International Telecommunication Union | Geneva |
| 50. | UNESCO | United Nations Educational, Scientific and Cultural Organization | Paris |
| 51. | UPU | Universal Postal Union | Bern, Switzerland |
| 52. | WHO | World Health Organization | Geneva |
| 53. | WIPO | World Intellectual Property Organization | Geneva |
| 54. | WMO | World Meteorological Organization | Geneva |
| 55. | VSO | Voluntary Service Overseas | London |
| 56. | Woman Aid International | London | |
| 57. | EFTA | European Free Trade Organization | Geneva |
| 58. | Organization of Arab Petroleum Exporting Countries | Kuwait | |
| 59. | IBRD | International Bank for Reconstruction and Development | Washington |
| 60. | OECD | Organization of Economic Cooperation and Development | Paris |
| 61. | OIC | Organization for the Islamic Conference | Mecca |
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