As the world is becoming more urbanized, cities take on more important roles in dealing with global challenges. International organizations can facilitate cooperation among cities in finding solutions to the numerous common problems they are facing. They also help cities connect with key public and private sector actors from other countries, develop their capacity to engage with multiple stakeholders for organizing international events and projects, and represent their interests at a transnational level. Shiraz Municipality attaches great significance to membership in international organizations, with special emphasis on gaining more visibility, assuming greater responsibility and playing a more active role in policy and decision making within the networks it has already joined.