Parisis the capital and the most populous city of France. It has an area of 105 square kilometres (41 square miles) and a population in 2013 of 2,229,621 within the administrative limits.[4] The city is both a commune and department, and forms the centre and headquarters of the Île-de-France, or Paris Region, which has an area of 12,012 square kilometres (4,638 square miles) and a population in 2014 of 12,005,077, comprising 18.2 percent of the population of France.