
Real Sociedad de Fútbol B (also known as Sanse) is a Spanish football team based in San Sebastián, in the autonomous community of Basque Country.
The Zubieta Facilities, officially the sports facilities of the Real Sociedad de Fútbol, are the training grounds of the Real Sociedad that are located in the San Sebastian neighborhood of Zubieta (Guipúzcoa), Spain, next to the racecourse.
In 2004, the last phase of construction of the Basque club's Sports City was completed. It has an area of 70,000 m² and hosts the training sessions of the first and second teams, as well as the youth teams.
The facilities have a capacity of 2500 spectators, have 7 fields, 4 of natural grass and 3 of artificial grass. It also has a rehabilitation room, gym, screening room and press room.