Real Sociedad
The nicknames of this club are Erreala or La Real and also Txuri-urdinak (white and blue). The club colours are of course white and blue. The predominantly white jerseys have blue vertical stripes. They play at home in the Anoeta Stadium, which underwent renovations in 2017, whereupon it has a capacity of 26,800 seats. In 2019, the capacity is increased to 42,300 seats.
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Deportivo Aláves
The club's nicknames are Babazorros or El Glorioso. Their club colours are blue and white, which are both on their emblem and on their home jerseys. The home jerseys use vertical blue and white stripes. They play at the Mendizorrotza stadium, which, after an expansion in 1999, offers 19,840 seats.
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