This study book offers a systematic and concise introduction to the public administration of the Federal Republic of Germany. It is aimed at students of administrative science and at universities of applied sciences for public administration, as well as interested practitioners. The book covers the functions, tasks, actors, and structure of public administration. Additional chapters address the relationship between politics and administration, as well as their oversight. Furthermore, the organization of administration is described, and an overview of the personnel is provided. The development of public administration in Germany and its challenges are also outlined. Another focus of the textbook is administrative science. Initially, the question of what administrative science is will be discussed. The foundations, focal points, and perspectives of administrative science are also addressed.