During the first administrative division of independent Greece in 1833–1836 and again from 1845 until their abolition with the Kallikratis reform in 2010, the prefectures (Greek: νομοί, sing.
[2] The prefectures were the second-degree organization of local government, grouped into 13 regions or (before 1987) 10 geographical departments, and in turn divided into provinces and comprising a number of communities and municipalities.
By 2010, their number had risen to 51, of which one, the Attica Prefecture, where more than a third of the country's population resided, was further subdivided into four prefecture-level administrations (νομαρχίες, sing.
[9] Nonetheless, the affairs of "(central) state administration" belonging to the prefects before 1994 are now exerted by the Presidents of the Regions (περιφερειάρχης).
[11] With certain laws specific affairs of certain ministries were transferred to the Prefectural Self-Governments (sanitary committees, urban-planning services etc.).