Athletic Bilbao is a football club from the Spanish professional league, which is from the city of Bilbao. They are among the three clubs, founders of La Liga, who have never been relegated from the league (the other two are Barcelona and Real Madrid). The club is among the most successful teams in Spain. It was founded before 1898. They play their home games at San Mames Stadium. The nickname of the club is "lions". But also known as the "red and whites" because of his red and white striped T-shirts. Famous for his policy, according to which only players of Basque origin are included in the team.

Eight times La Liga champions. Also winners of Copa del Rey - 24 times. Two-time winner of the Spanish Super Cup. They have played in 1 Intertoto, 4 times in the Champions League, 16 times in the UEFA Cup and 77 seasons in the Primera Division.

In the 1929/30 season they have finished the league without a loss after 18 games. His record for the biggest victory in La Liga was set in 1931, when they defeated Barcelona with 12:1. His biggest victory in Copa del Rey was in 1947, when Celta Vigo was defeated with 12:1. The only player in the history of the Primera Division who has been a goal scorer six times is Athletic Bilbao player Telmo Zara (he is also the best goal scorer in the history of Copa del Rey with 81 goals, as well as the top goal scorer of Athletic with 367 goals). And Jose Angel Iribar has the most appearances for the club with 614 matches played.

The team's biggest rivalries are with Real Sociedad and Real Madrid.