Περιφερειακή ενότητα Πειραιώς (Greek)
|• Total||50.417 km2 (19.466 sq mi)|
|• Density||8,900/km2 (23,000/sq mi)|
|• Summer (DST)||UTC+3 (EEST)|
Piraeus (/ /, py-REE-əs, pirr-AY-əs; Greek: Περιφερειακή ενότητα Πειραιώς, romanized: Perifereiakí enótita Peiraiós), also sometimes called Greater Piraeus (as distinct from the City of Piraeus; Ευρύτερος Πειραιάς Evrýteros Peiraiás), is one of the regional units of Greece. It is part of the region of Attica. The regional unit covers the west-central part of the Athens urban area (or agglomeration).
As a part of the 2011 Kallikratis government reform, the regional unit Piraeus was created out of part of the former Piraeus Prefecture. It is subdivided into 5 municipalities. These are: