The River Guadalquivir flows through the center of Seville, Spain. With about 1.5 million residents in its metropolitan area, Seville is the largest city in the autonomous community of Andalusia and the fourth-largest in Spain. Near the center of this Overview — amid the city’s many red tile roofs — is the Plaza de Toros de la Maestranza, a 12,000-seat, eighteenth century bullring.