Some organizations have moved their HQ in recent years. Always check for updates before the exam.
--- GROUPING TRICK (Most Powerful Shortcut) ---
Group HQs by CITY. This saves time and helps eliminate wrong answers fast.
NEW YORK, USA: United Nations (UN), UNICEF, UN Women
GENEVA, SWITZERLAND: WHO, WTO, ILO, UNHCR, Red Cross (ICRC), ITU, WIPO
WASHINGTON D. C., USA: World Bank, IMF, IFC, OAS
PARIS, FRANCE: UNESCO, OECD, INTERPOL (also Lyon for INTERPOL — see below)
ROMA (ROME), ITALY: FAO, WFP, IFAD
VIENNA, AUSTRIA: IAEA, UNIDO, OPEC, UNODC
NAIROBI, KENYA: UNEP, UN-Habitat
MONTREAL, CANADA: ICAO, IMO is in London
MANILA, PHILIPPINES: ADB (Asian Development Bank)
ABIDJAN, IVORY COAST: AfDB (African Development Bank)
LYON, FRANCE: INTERPOL
BRUSSELS, BELGIUM: NATO, EU (European Union main offices)
STRASBOURG, FRANCE: European Parliament, Council of Europe
HAGUE, NETHERLANDS: ICC (International Criminal Court), ICJ (International Court of Justice)
SHORTCUT 1 — 'ROME FEEDS THE WORLD': FAO + WFP + IFAD are all in Rome.
These three are food/agriculture bodies. One city, three food bodies.
SHORTCUT 2 — 'GENEVA IS THE DOCTOR + WORKER + TRADER': WHO (health) + ILO (labour) + WTO (trade) = all Geneva. Health, Work, Trade — all in Geneva.
SHORTCUT 3 — 'VIENNA CONTROLS ENERGY + CRIME': IAEA (nuclear energy) + OPEC (oil) + UNODC (drugs/crime) = all Vienna.
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