This paper analyzes the concept of globalization, positive and negative side of globalisation, causes and consequences as well as its impact on the development of the economy of the Republic of Croatia. Today it is impossible to imagine a world without information-communication technology that has enabled communication throughout the world, both privately and businessly. Globalization is a phenomenon that is not only influenced the Republic of Croatia, but also countries all over the world, some more or less. Since globalization affects all countries, there are various antiglobalist movements that operate in countries. As there are those who encourage globalization, the antiglobalists see only the bad and negative side of globalization, because of the great difference between those who have neither those who do not, as well as the unequal distribution of goods. Globalization has a major impact on the economy of the Republic of Croatia, not only through trade but also through technology and tourism, which will also be highlighted and clarified in the paper. Because of the globalization in the Republic of Croatia, fast and easy entry of foreign trade chains is achieved, technology has enabled the creation of a unique global network while tourism is attracting foreign investors and enables the development of new segments.