Many people have no idea about protected areas, despite the fact that they are the cornerstone of global biodiversity conservation and an important tool in the fight against climate change. In order to initiate anyone who wishes to understand the concepts of protected areas, the author proposes, through the lines of this book, to present the current state of knowledge on the planning, management and governance of protected areas. Thus, the fundamental notions on how to plan, manage and govern a protected area are widely exposed in this book.