Saratoga, residential city (1990 pop. 28,061), Santa Clara co., W Calif., in a vineyard and orchard area, in the foothills of the Santa Cruz Mts.; inc. 1956. Wine is produced in the city; local attractions include tours of the champagne cellars. The Villa Montalvo estate (1912), home of Senator James Phelan, is now a cultural center; its extensive facilities include art galleries, theaters, gardens, and an outdoor amphitheater.