Prva HNL, or the Croatian First Football League, is the top professional football league in Croatia. Established in 1992, it features 10 teams competing for the championship title. The league operates on a system of promotion and relegation with the Druga HNL, the second tier of Croatian football. The season typically runs from August to May, with each team playing 36 matches. The team with the most points at the end of the season is crowned the champion. Dinamo Zagreb is the most successful club in the league's history, having won numerous titles since its inception.