France is mainly divided into 18 administrative regions: 13 regions in metropolitan France (including the territorial collectivity of Corsica), and five located overseas. The regions are further subdivided into 101 departments, which are numbered mainly alphabetically. This number is used in postal codes and was formerly used on vehicle number plates. Among the 101 departments of France, five (French Guiana, Guadeloupe, Martinique, Mayotte, and Réunion) are in overseas regions (ROMs) that are also simultaneously overseas departments (DOMs), enjoy exactly the same status as metropolitan departments and are an integral part of the European Union. The 101 departments are subdivided into 335
Administrative law under way. In France, most claims against the national or local governments as well as claims against private bodies providing public services are handled by administrative courts, which use the "Conseil d'État" (Council of State) as a court of last resort for both ordinary and special courts. The main administrative courts are the "tribunaux administratifs" and appeal courts are the "cours administratives d'appel". Special administrative courts include the National Court of Asylum Right as well as military, medical and judicial disciplinary bodies. The French body of administrative law is called ""droit administratif"". Over the course of their history, France's administrative