This book provides a concise overview of Swiss Administrative Law. It is intended to give foreign scholars, students, and practitioners access to this challenging field of law. It embeds administrative law in the Swiss constitutional framework and explains its substantive principles, its procedures, and its organisational structures. Special areas such as Citizenship and Immigration, Asylum, National Security and Police, Spatial Planning and Expropriation, Environmental Protection and Climate Change, Energy and Water, Transportation, Postal Services, Telecommunication, Radio and Television, Banking and Financial Market Law, Competition, Taxes, Social Security, Health Care and Pharmaceutical Products, Education as well as Data Protection and AI Regulation are briefly introduced. The book contains references to all legal literature and materials available in English as well as to the most relevant sources in German and French.