The traditional geographic divisions of Greece were also the official administrative subdivisions

Subdivisions of Greece

-Administrative divisions:* Mount Athos* Peripheries of Greece / 13, pεριφέρειες / NUTS 2* Peripheral units of Greece / 74 / Περιφερειακή ενότητα / NUTS 3...

 (or regions) of Greece until the 1987 administrative reform ). Despite their replacement as first-level administrative units by the newly defined regions

Peripheries of Greece

The current official regional administrative divisions of Greece were instituted in 1987. Although best translated into English as "regions", the transcription peripheries is sometimes used, perhaps to distinguish them from the traditional regions which they replaced. The English word 'periphery'...

 , the nine traditional geographic divisions - six on the mainland and three island groups - are still widely referred to in non-official contexts and in daily discourse.

The current (as of 2011) official administrative divisions of Greece are 13 regions - nine on the mainland and four island groups - which are further subdivided into 325 municipalities. Formerly, there were also 54 prefectures

Prefectures of Greece

During the first administrative division of independent Greece in 1833–1836 and then again from 1845 until their abolition with the Kallikratis reform in 2010, the prefectures were the country's main administrative unit...

 or prefectural-level administrations.

Thrace Western Thrace Western Thrace or simply Thrace is a geographic and historical region of Greece, located between the Nestos and Evros rivers in the northeast of the country. Together with the regions of Macedonia and Epirus, it is often referred to informally as northern Greece... Macedonia Macedonia (Greece) Macedonia is a geographical and historical region of Greece in Southern Europe. Macedonia is the largest and second most populous Greek region... Thessaly Thessaly Thessaly is a traditional geographical region and an administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia, and appears thus in Homer's Odyssey.... Epirus Epirus (periphery) Epirus , formally the Epirus Region , is a geographical and administrative region in northwestern Greece. It borders the regions of West Macedonia and Thessaly to the east, West Greece to the south, the Ionian Sea and the Ionian Islands to the west and the country of Albania to the north. The... Central Greece Central Greece Continental Greece or Central Greece , colloquially known as Roúmeli , is a geographical region of Greece. Its territory is divided into the administrative regions of Central Greece, Attica, and part of West Greece... Peloponnese Peloponnese The Peloponnese, Peloponnesos or Peloponnesus , is a large peninsula , located in a region of southern Greece, forming the part of the country south of the Gulf of Corinth... Aegean Islands Aegean Islands The Aegean Islands are the group of islands in the Aegean Sea, with mainland Greece to the west and north and Turkey to the east; the island of Crete delimits the sea to the south, those of Rhodes, Karpathos and Kasos to the southeast... Ionian Islands Ionian Islands The Ionian Islands are a group of islands in Greece. They are traditionally called the Heptanese, i.e... Crete Crete Crete is the largest and most populous of the Greek islands, the fifth largest island in the Mediterranean Sea, and one of the thirteen administrative regions of Greece. It forms a significant part of the economy and cultural heritage of Greece while retaining its own local cultural traits...