The Uruguayan Primera División is the top professional football league in Uruguay. Established in 1900, it features clubs from across the country competing for the championship title. The league operates on a system of promotion and relegation with the Uruguayan Segunda División, ensuring a competitive environment. The season typically runs from February to December, with teams playing each other in a round-robin format. The club with the most points at the end of the season is crowned the champion. Notable teams in the league include Club Nacional de Football and Club Atlético Peñarol, which have a historic rivalry known as the Clásico.