Athletic Club de Bilbao "B" is the reserve team of Athletic Bilbao, club based in Bilbao, in the autonomous community of Basque Country. Bilbao Athletic will play in the Segunda División B in the 2016-17 season, following relegation from the second tier in the previous campaign. Founded in 1964, the team holds home matches at the San Mamés, with a 54,500-seat capacity, or at the small stadium attached to the club's training facility at Lezama.