Headquarters of the World Health Organisation
World Health Organisation's headquarters is located in Geneva, Switzerland.

Reasoning
- The World Health Organisation (WHO) is a specialized agency of the United Nations responsible for international public health.
- The headquarters of WHO is located in Geneva, Switzerland, as it was established on 7 April 1948, which is where its headquarters have been since its inception.
- Geneva is known for hosting numerous international organizations due to its neutrality and diplomatic tradition, making it a suitable location for the WHO headquarters.

Functions of WHO Headquarters
- The headquarters serves as the central coordination and decision-making hub for WHO's global health initiatives.
- It houses various departments, experts, and staff members who work on different health programs, research, and policymaking.

Significance of Geneva for WHO
- Geneva is known as a global hub for diplomacy and international cooperation, making it an ideal location for an international organization like WHO.
- The city provides a neutral ground for hosting meetings, conferences, and collaborations with member states and other international partners.
- Geneva's strategic location in Europe also facilitates easy access for delegates and experts from around the world to attend WHO meetings and events.
In conclusion, the headquarters of the World Health Organisation is located in Geneva, Switzerland, due to its historical significance, diplomatic environment, and strategic location for global health initiatives and collaborations.