Union La Calera is a professional football club based in the city of La Calera, Chile, competing in the top tier of Chilean football, the Liga de Primera. The club, known officially as Club de Deportes Unión La Calera, plays its home matches at the Estadio Municipal Nicolás Chahuán Nazar. Founded in 1954, the club's traditional colors are red and white. Under the guidance of head coach Martín Palermo and the ownership of the Azul Azul group, the team has established itself as a consistent presence in the Chilean top flight. The club's name reflects its origins as a union of local institutions, representing the community spirit of the La Calera region. While historically not one of Chile's most decorated clubs, La Calera has experienced a significant peak in recent years, most notably finishing as runners-up in the 2020 Primera División season, a historic achievement that earned them a spot in the Copa Libertadores. This era was built around a solid defensive unit and key players like striker Diego Valencia. The modern squad continues to build on that foundation, aiming for continental qualification. The club enjoys a passionate local fanbase known as "Los Cementeros," creating a vibrant atmosphere at their compact stadium. Union La Calera remains a proud and ambitious club striving for success on the national stage.