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The San Sebastián Grand Prix (Gran Premio de San Sebastián) was an automobile race held at the Circuito Lasarte in Lasarte-Oria, Spain. During most of its existence, it was the main race event in Spain, since the Spanish Grand Prix had not yet been properly established as a Grand Prix race. The San Sebastián Grand Prix is sometimes retroactively counted as the Spanish Grand Prix, for those years when there was no Spanish Grand Prix held. The 1926 edition was part of the World Manufacturers' Championship.