This book is a valuable aid for preparing for the General Knowledge course of the Panhellenic Written ASEP Competition. It includes seven chapters that fully correspond to the Competition's syllabus, as briefly outlined in Announcement 2G/2022 (points 1 to 7), regarding topics of the Constitution, Public Administration, Public Policy, and the European Union. Written in an accessible and comprehensible manner, the book covers the following thematic units: The current Greek Constitution – Hierarchy of legal rules Fundamental rights State organs – Organization of administration Political organs of the European Union Public policy Functioning of public administration Digital governance The book helps students understand and delve into the material quickly and comprehensively. The structure of the book includes the following: Complete theory for each unit and additional information, covering all the required material in an understandable and clear way Useful explanatory tables 350 multiple-choice questions and their answers Numerous examples that facilitate the understanding of complex concepts The book is also addressed to anyone interested in gaining an overall picture of the organization of the state and public administration in Greece.