Zaragoza, also called Saragossa in English, is the capital city of the Zaragoza province and of the autonomous community of Aragon, Spain. It lies by the Ebro river and its tributaries, the Huerva and the Gállego, roughly in the center of both Aragon and the Ebro basin. On 1 September 2010 the population of the city of Zaragoza was 701,090, within its administrative limits on a land area of 1,062.64 square kilometres, ranking fifth in Spain.