Regional units of Greece
Administrative Region Regional unit Prefecture it was created from
Attica North Athens Athens ( part )
Attica West Athens Athens ( part )
Attica Central Athens Athens ( part )
Attica South Athens Athens ( part )
Attica East Attica East Attica
Attica Piraeus Piraeus ( part )
Attica Islands Piraeus ( part )
Attica West Attica West Attica
Central Greece Boeotia Boeotia
Central Greece Euboea Euboea
Central Greece Evrytania Evrytania
Central Greece Phocis Phocis
Central Greece Phthiotis Phthiotis
Central Macedonia Imathia Imathia
Central Macedonia Thessaloniki Thessaloniki
Central Macedonia Kilkis Kilkis
Central Macedonia Pella Pella
Central Macedonia Pieria Pieria
Central Macedonia Serres Serres
Central Macedonia Chalkidiki Chalkidiki
The 74 regional units ( Greek : περιφερειακές ενότητες , perifereiakés enótites ; sing . περιφερειακή ενότητα , perifereiakí enótita ) are administrative units of Greece . They are subdivisions of the country 's 13 regions , and are further subdivided into municipalities . They were introduced as part of the Kallikratis administrative reform on 1 January 2011 [ 1 ] and are comparable in area and , in the mainland , coterminous with the 'pre-Kallikratis ' prefectures of Greece .
The 74 regional units () are administrative units of Greece. They are subdivisions of the country's 13 regions, further subdivided into municipalities. They were introduced as part of the Kallikratis administrative reform on 1 January 2011 and are comparable in area and, in the mainland, coterminous with the pre-Kallikratis prefectures of Greece.