Jerez de la Frontera (hārāth dā lä frōntāˈrä) [key], city (1990 pop. 186,812), Cádiz prov., SW Spain, in Andalusia. Jerez is an important commercial center noted for its sherry and brandy. Its horses of mixed Spanish, Arab, and English blood are world famous. Captured by the Moors in 711, the city was recovered by Alfonso X of Castile in 1264. Of interest are its Gothic churches and an 11th-century Arab alcazar.