Originally founded as a Roman city and now home to three UNESCO World Heritage Sites, Seville is the capital and largest city of the Spanish autonomous community of Andalusia and the province of Seville.Known as Ishbiliyah after the Islamic conquest in 711, Seville became the centre of the independent Taifa of Seville following the collapse of the Caliphate of Córdoba in the early 11th century; later it was ruled by Almoravids and Almohads until being incorporated to the Crown of Castile in 1248, Owing to its role as gateway of the Spanish Empire's trans-atlantic trade, Seville became one of the largest cities in Western Europe in the 16th century. The 20th century in Seville saw the tribulations of the Spanish Civil War