In this paper we will present the conformation of government of the Republic of Croatia, respectively the pieces of the government. In the first part, we'll see a brief review of the constitution and its impact on the development of the state in legal terms. After that, we will start with a detailed analysis of the state organization and its parts, starting with the Croatian Parliament, the institution of the president of the Republic, the government and its rights, judicial powers, and central and local government. Finally, we will give a brief overview of the importance of proper functioning and cooperation of structural institutions of the state.