Gilroy /???l.r??/ is a city located in Northern California's Santa Clara County, south of Morgan Hill and north of San Benito County. The city's population was 48,821 at the 2010 United States Census.Gilroy is well known for its garlic crop and for the annual Gilroy Garlic Festival, featuring various garlicky foods such as garlic ice cream, leading to the city's nickname as the "Garlic Capital of the World". Gilroy also produces mushrooms in considerable quantity. Gilroy is well known for boutique wine production, which is a large part of Gilroy's western portion, mostly consisting of family estates around the base of the Santa Cruz Mountains to the west.