Since the Kallikratis programme reform entered into effect on 1 January 2011, Greece has consisted of thirteen regions subdivided into a total of 325 municipalities. The 54 old prefectures and prefecture-level administrations have been largely retained as sub-units of the regions. Seven decentralized administrations group one to three regions for administrative purposes on a regional basis. There is also one autonomous area, Mount Athos (Greek: Agio Oros, "Holy Mountain"), which borders the region of Central Macedonia. COUNT 5
QSN1 How many regions exist in Greece since 2011? ANS1 thirteen QSN2 How many municipalities exist in Greece?  ANS2 325 QSN3 What went into effect on January 1, 2011? ANS3 Kallikratis programme reform QSN4 What is the one autonomous area in Greece? ANS4 Mount Athos QSN5 Where is Mount Athos located? ANS5 borders the region of Central Macedonia