| Agency | Headquarters |
| United Nations Human Settlements Programme (UN-Habitat) | New York |
| United Nations Population Fund (UNFPA) | Nairobi |
| International Fund for Agricultural Development (IFAD) | Vienna |
| United Nations Industrial Development Organization (UNIDO) | Rome |
Answer: None
Notes: UN-Habitat is headquartered in Nairobi, not New York. UNFPA is headquartered in New York, not Nairobi. IFAD is headquartered in Rome, not Vienna. UNIDO is headquartered in Vienna, not Rome. Therefore, none of the pairs are correctly matched.
