Messenia

This article is about the modern regional unit. For the region of Ancient Greece, see Messenia (ancient region).

Messenia Περιφερειακή ενότητα Μεσσηνίας
Regional unit
Municipalities of Messenia
Messenia within Greece
Messenia Location within Greece
Coordinates: 37°2′4″N 22°6′35″E
Country	Greece
Administrative region	Peloponnese
Seat	Kalamata
Area
• Total	2,991 km2 (1,155 sq mi)
Population  (2021)
• Total	146,080
• Density	48.84/km2 (126.5/sq mi)
Time zone	UTC+2 (EET)
• Summer (DST)	UTC+3 (EEST)
Postal code	24x xx
Area code	272x0, 276x0
Vehicle registration	ΚΜ

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Kalamata castle

Port of Kalamata

Messinia from Mt. Ithome

View of Pylos on the Bay of Navarino

Messenia or Messinia (/məˈsiːniə/ mə-SEE-nee-ə; Greek: Μεσσηνία [mesiˈni.a]) is a regional unit (perifereiaki enotita) in the southwestern part of the Peloponnese region, in Greece. Until the implementation of the Kallikratis plan on 1 January 2011, Messenia was a prefecture (nomos) covering the same territory. The capital and largest city of Messenia is Kalamata.