Île-de-France can be described as one amongst 26 administrative regions pertaining to France; which is mainly composed of Paris Metropolitan Area. The name 'Île-de-France' means 'Island of France'. It has been derived from old Frankish Liddle Franke, 'Little France'. Population as per 2008 estimates is 11694000. Climate at Île-de-France is cool. Summer season would prove to be the best period to pay a visit.