The world of diplomacy is currently facing increasingly complex challenges due to the impact of globalization. The era of globalization has brought significant changes in the way countries interact, both politically, economically and socially. The development of information and communication technology has facilitated the exchange of information in real-time, thereby influencing the foreign policy making process. Countries now no longer operate in a confine space, but are connected in a broad network. One of the main challenges in the world of diplomacy in the era of globalization is the increasing role of non-state actors. Non-governmental organizations (NGOs), multinational companies, and individuals can often influence the policies taken by governments. For example, environmental and human rights issues are now being driven by advocacy from NGOs which are able to move public opinion throughout the world. In this context, countries need to adapt their diplomatic strategies to remain relevant and influential. Apart from that, geopolitical conflicts involving large countries are also increasingly complicated. Tensions between superpowers, such as the United States and China, create uncertainty on the global stage. Diplomacy based on multilateralism is increasingly important to create stability. Countries must work together in international forums to solve global problems such as terrorism, climate change and international trade. Climate change is an urgent challenge in the era of globalization. Countries are now required to align their policies with international commitments to reduce greenhouse gas emissions. Climate diplomacy is becoming increasingly vital, where countries must collaborate to achieve common goals. A successful example of climate diplomacy is the Paris Agreement, which created a global climate action framework. In the context of digitalization, cyber diplomacy is becoming increasingly relevant. Cyber attacks and the spread of misinformation can disrupt relations between countries. Therefore, governments around the world must develop cybersecurity strategies to protect their critical infrastructure and maintain domestic political stability. Global health is also a major concern in the era of globalization. The COVID-19 pandemic shows that public health knows no national borders. Countries need to collaborate on vaccine research and distribution as well as health care, which requires a new and inclusive diplomatic approach. Migration and refugee issues are also challenges in the world of diplomacy. Crises in various parts of the world have caused high migration flows. Countries must work together to manage migration in a humane and sustainable way, while respecting human rights. Conflict prevention diplomacy and sustainable development are the keys to dealing with this problem. Shifts in global economic power also influence diplomatic dynamics. Developing countries now increasingly have a voice in international forums. They demand fair access to global markets and fairness in the distribution of resources. Therefore, developed countries are expected to listen and adjust their policies according to the interests of developing countries. With these diverse challenges, diplomacy in the era of globalization requires an innovative and dynamic approach. Strong international cooperation, based on the principles of mutual respect and justice, will be key to meeting these challenges effectively. World leaders must adapt quickly to change and seize emerging opportunities to create a better future for all.