This final work aims to demonstrate the development of administrative justice, and judicial protection on the territory of what is now the Republic Croatia. Accordingly, the beginning of administrative justice, the system of administrative justice and judicial protection within the Astro-Hungarian Monarchy will be described, as well as the system of administrative justice and judicial protection in the time when the Republic Croatia was part of the Monarchy of Serbs, Croats and Slovenians. What follows in the next text includes the state of administrative justice in the time of the Croatian Banovina, and the Independent State Croatia. During the time of the Socijalist Federative Republic Yugoslavia, the administative tribunal was reorganized, what will be thoroughly described in this work. Further the influence of the independence of the Republic Croatia on the development of the system of administrative justice on our territory. Besides the mentioned, the influence of the adoption of the new Law about administrative disputes will also be described, and the novelties it has administrative judiciary today will be menitoned as well in this work.