Córdoba is the capital city of the province of Córdoba, located in Andalucía. It is a moderately-sized modern city, the old town contains many impressive architectural reminders of when Córdoba was the thriving capital of the Caliphate of Cordova, that governed, then, almost all of the Iberian peninsula. It has been estimated that Cordova, with up to 500,000 inhabitants in the tenth century, was the largest city in Western Europe and, perhaps, in the world