The paper analyzes the specificities of public procurement in state administration bodies. Public procurement is a set of legal rules that prescribe the procedure for the procurement of goods, works or services required by public or sectoral contracting authorities for the successful performance of public powers, i.e. the provision of public services. In the Republic of Croatia, state administration bodies (ministries) are obliged to apply the Law on Public Procurement. The thesis consists of six parts - an introduction, the processed legislative and institutional framework of public procurement in the Republic of Croatia, a description of the most frequently implemented public procurement procedures and their implementation, a review of the Statistical Report on Public Procurement in the Republic of Croatia for 2020, specifying the specifics of public procurement procedures in bodies of state administration and conclusion. The following methods were used in writing the paper: compilation, analysis and synthesis, deduction and induction, descriptive method, comparative method, and inference method. The paper ends with an analysis of the specifics of public procurement procedures in state administration bodies, with the conclusion that ministries carry out procurement procedures in accordance with their own needs, within the scope and competence, that is, that ministries with a smaller number of employees and state employees, which usually have a smaller budget during the calendar year they carry out a smaller number of public procurement procedures, and vice versa, larger ministries carry out more complex public procurement procedures during the calendar year.