https://www.cheggindia.com/general-knowledge/international-organizations...
"What is an International organization, and what are its headquarters?
International Organizations and their Headquarters are essential for influencing world affairs and developing closer political ties. They are the outcome of cooperative talks among many countries and simplify the implementation of development projects. These organizations give member countries a forum for talks and negotiations while establishing global goals, international rules, and policies. Through this procedure, problems that develop between several nations may be cooperatively resolved. Intergovernmental Organizations, International Non-Governmental Organizations, and Multinational Enterprises are the three primary categories of international organizations..."