Development strategies for the Osijek - Baranja county are elaborated in the paper. Important terms such as: strategy, economy, budget, county and development are defined - and their function in the Osijek-Baranja County. The importance of its features, such as the flag, and the role of the prefect, inevitably accompanied by a resume, are highlighted. The work and method of constitution of: County Assembly, working bodies and information system of Osijek-Baranja County is described. The scope of work of the Osijek-Baranja County is defined in terms of the adoption and implementation of legal acts and decisions, and the work highlights the areas covered by the Osijek-Baranja County. Strategic development documents, for example, the Annual Report on the Implementation of the Implementation Program of Osijek-Baranja County for the mandate period 2021 - 2025, show the funds spent for the development and improvement of a certain area. The implementation programs are in synergy with the goals that the Osijek-Baranja County wants to achieve; employment growth, improvement of living standards, preservation of the environment, care of veterans, development of computerization, improvement of identity... The rich historical development of the Osijek-Baranja County from the earliest days is described chronologically and in detail, without which it would not be so special today. The organization of administrative bodies and a description of each of them is included in order to emphasize their role in development and modernization. The end of the paper is devoted to the economy and the Osijek-Baranja County Budget. Thus, the income and expenses are presented in a table, compiled according to the economic classification, and later the cause of their occurrence is described by the web source of the Osijek-Baranja County. The income and expenses of the Osijek-Baranja County and its companies are graphically displayed using graphs.