The graduation thesis on the subject of the Red Cross as a special form of non-profit organization presents the history of the Red Cross at the international level, as well as the history of the Red Cross of the Republic of Croatia and the town of Ogulin. It details the beginnings of the founding of the International Red Cross, as well as Henry Dunant as the founder of the non-profit organization Red Cross. Great attention was paid to the fundamental principles of the Geneva Convention, which are the foundation of every national and international Red Cross society. Why it is important to defend the fundamental principles and promote humanitarian law throughout the world. Graduation thesis also explains in detail how many Geneva Conventions there are and what each of them serves, as well as additional protocols that are supplements to the Geneva Conventions, so that they can be understood more easily. Furthermore, in addition to historical development, the legal foundations of international and national Red Cross societies are listed, which conditions must be met in order to be established, as well as the bodies that manage them.