Monetary policy is one of the most important policies of every modern state. With its various instruments and goals, monetary policy affects prices, investments, the amount of money in circulation, interest rates, etc. Throughout the years, the Croatian National Bank has been implementing an expansionary monetary policy but also the policy of keeping Croatian currency, the kuna, stable in comparison to the euro, which is the main requirement for securing financial stability. Central Bank mostly affects real economic activity through the exchange rates, while at the same time it has a much weaker influence through monetary developments and interest rates. The main topic of this paper is the analysis of Croatian National Bank monetary policy between 2010. and 2015. The purpose of this paper is to give a theoretical overview of monetary policy with its goals, problems, tasks and difficulties. After the theoretical part, monetary policy of Croatian National Bank has been used as an example to explain objectives, tasks and instruments with matching statistics. At the end of the paper there is an analysis of a chosen period and monetary indicators such as money supply, prices, exchange rates and interest rates.