Sport is one of the essential components of today. As such, it has taken up a large space in the market as a separate entity that extends through various other cereals such as marketing, promotion, publicity, branding, sales of sports products, etc. It is ubiquitous in the society of today, and in Croatia has also left its mark and made an impact which in this paper will be about the greats of Croatian sport, which are of immeasurable importance for the promotion of Croatian sport, but also of the Republic of Croatia as such. So, at the beginning of the paper, the field of marketing and marketing in sports will be theoretically addressed, and then the market mixes will be closed. Separately, it deals with market mixes that address the characteristics of the sports product itself. Sport is also being considered in the function of branding the state where athletes make their contribution to the promotion of the state, and this will be explored by some examples of Croatian greats in sports. The paper also examines the aim of determining the effectiveness of marketing in sports through sponsorship, determining the effectiveness of the impact of sport on state branding and establishing that top athletes are a kind of sports product. The main conclusion of the proven research is that large Croatian sports have played a major role in promoting Croatia, while the sports manufacturer with the player's logo or signature is not relevant when buying by consumers.