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
Geographical regions of Turkey Region has: The Southeastern Anatolia Region has: Geographical regions of Turkey The geographical regions of Turkey comprise seven regions () which were originally defined at the country's First Geography Congress in 1941. These seven regions are subdivided into twenty one sections (), which are further split into numerous areas () as defined by microclimate and bounded by local geographic formations. "Regions" as defined in this context are merely for geographic, demographic, and economic purposes, and do not refer to an administrative division. The Aegean Region has: The Black Sea Region has: The Central Anatolia Region has: The Eastern Anatolia Region