Located on the southern bank of the Guadalquivir river, the city of Seville is the largest one in Andalusia. The former province of Andalusia was divided by the Moors into four separate kingdoms—Seville, Cordova, Jaen and Granada. Seville has the highest GDP among the provinces of Andalusia . The Provinces of Málaga (€ 28,506 million) and Cadiz (€ 22,574 million) are 2nd and 3rd respectively. The Port of Seville is of great economic importance to the province.