Diplomatic relations in the era of globalization play an important role in building cooperation between countries. Globalization has presented new challenges and opportunities for diplomacy, requiring innovative approaches to problem solving. The concept of diplomatic relations is now not only limited to interactions between governments, but also involves non-state actors, such as international organizations, NGOs and the private sector. One of the main aspects of diplomatic relations in this era is the importance of effective communication. This includes the use of information technology to disseminate information and strengthen relations between countries. Social media, for example, has become an important tool in modern diplomacy, allowing countries to hear the public’s voice and respond quickly. Countries now have the ability to reach global audiences with direct and transparent messages. Furthermore, economic diplomacy also experienced a significant transformation. In the era of globalization, countries depend on each other through trade and investment. Diplomatic relations are now often forged through complex trade agreements aimed at improving economic ties and reducing tensions. Forums such as APEC and the WTO are important venues for facilitating these discussions, helping countries resolve disputes and reach agreements. In addition, global issues such as climate change, terrorism and cyber security require collective solutions. Countries must work together to face these challenges through multilateral cooperation. International conferences and meetings, such as the COP on climate change, show how diplomacy can be used to achieve global consensus and promote collective action. The impact of technology also provides new challenges. Quick and easily accessible information can influence diplomatic relations. For example, fake news can damage a country’s reputation and exacerbate international tensions. Countries must increase digital literacy and strengthen communication strategies to counter this disinformation. A holistic approach is needed in understanding current diplomatic relations. Social sciences, culture and environmental aspects are now an integral part of foreign policy formulation. Through cultural diplomacy, countries can build bridges of understanding and strengthen relations between people. Another challenge faced in diplomatic relations in the era of globalization is increasing nationalism. Isolationist sentiment in some countries can hinder the collectivity needed to address global issues. Diplomacy must adapt to domestic political dynamics and try to embrace an inclusive foreign policy. Finally, strengthening international relations networks through strategic alliances is essential. Countries need to build mutually beneficial cooperation, both in economic, military and social aspects. This cooperation can be carried out through forums such as NATO or ASEAN, which aim to maintain regional stability and promote peace. Effective management of diplomatic relations in the era of globalization requires a deep understanding of global and local dynamics. Diplomacy must be responsive to change, innovative in methods, and inclusive in approach, so that it can build a more peaceful and connected world.