The Guatemalan Liga Nacional is the top professional football league in Guatemala. Established in 1949, it features 12 teams competing for the championship title. The league operates on a system of promotion and relegation with the lower division, known as Liga Primera. Each season is divided into two tournaments: the Apertura and Clausura. Teams play a round-robin format, and the top clubs qualify for the playoffs, culminating in a final match to determine the champion. The league is governed by the Guatemalan Football Federation, which oversees the rules and organization of the sport in the country.