Understanding alternative diplomacy is essential to grasping the evolving role of non-state actors, who are increasingly proposing innovative methods and strategies to complement, or even replace, traditional state diplomacy, whose limitations are increasingly evident. As international relations evolve rapidly, contemporary challenges require rapid, flexible, and effective responses-qualities that both states and businesses must now embody.Among the various forms of alternative diplomacy, economic diplomacy has acquired considerable importance on the international scene. This book aims to provide a clear and accessible guide for non-specialists to its history, its main players, its latest trends, and the central role of economic promotion agencies. This book is intended for those who wish to get insights to better understand the main types of alternative diplomacy shaping the current global landscape, each illustrated by emblematic examples that highlight their growing impact in a constantly evolving geopolitical context.