Explanation

Geneva hosts the world's largest concentration of international organizations and UN agencies, such as:

• the Red Cross
• the World Health Organization
• the World Trade Organization
• the International Telecommunication Union
• the World Intellectual Property Organization
• the World Meteorological Organization, 
• the International Labour Organization
• European headquarters of the United Nations.

Additional information:

It is the second-most populous city in Switzerland

it is the capital of the Republic and Canton of Geneva

More than 40 international organizations Headquarters are there in Geneva,

more than 180 permanent missions

over 400 NGOs