The exchange rate policy of a country is one of the important determinants of its direction of movement in terms of the development and achievement of levels of economic stability. Therefore, the process of selecting the exchange rate for each country is a search for an optimal solution that will not have negative consequences, primarily when it comes to price stability within the economy. Significant economic developments also have an influence on monetary policy, and consequently on the choice of the exchange rate regime. Therefore, it is necessary to choose the exchange rate policy that will result in the fulfillment of macroeconomic goals. Regarding the Republic of Croatia, significant changes were recorded from the moment of its creation and activity within the communities, until the period of independence, and then the entry into the European Union and the Eurozone. The main goal of the empirical part of the work is to analyze the impact of the introduction of the euro on the state of the Croatian economy in terms of price increases and to compare them with the neighboring Republic of Slovenia and the consequences of the introduction of the euro in its economy.