San Mamés Stadium is a football stadium located in Bilbao, Spain. It is the home ground of Athletic Club, a prominent football team known for its rich history and unique policy of fielding only Basque players. The stadium opened in 2013, replacing the original San Mamés, which was built in 1913. The new San Mamés has a seating capacity of approximately 53,000 spectators and features modern facilities and amenities. It is known for its distinctive design, including a transparent façade and a roof that enhances acoustics, creating an electrifying atmosphere during matches.