Phthiotis

This article is about the modern administrative unit. For the ancient region, see Achaea Phthiotis. For the electoral district, see Phthiotis (constituency).

Phthiotis Περιφερειακή ενότητα Φθιώτιδας
Regional unit
Municipalities of Phthiotis
Phthiotis within Greece
Phthiotis Location within Greece
Coordinates: 38°54′N 22°32′E
Country	Greece
Administrative region	Central Greece
Seat	Lamia
Area
• Total	4,440 km2 (1,710 sq mi)
Population  (2021)
• Total	137,793
• Density	31.0/km2 (80.4/sq mi)
Time zone	UTC+2 (EET)
• Summer (DST)	UTC+3 (EEST)
Postal code	35x xx
Area code	223x0
Vehicle registration	ΜΙ

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Phthiotis (Greek: Φθιώτιδα, Fthiótida [fθi'otiða]; ancient Greek and Katharevousa: Φθιῶτις) is one of the regional units of Roumeli, Greece. It is part of the administrative region of Central Greece. The capital is the city of Lamia. It is bordered by the Malian Gulf to the east, Boeotia in the south, Phocis in the south, Aetolia-Acarnania in the southwest, Evrytania in the west, Karditsa regional unit in the north, Larissa regional unit in the north, and Magnesia in the northeast. The name dates back to ancient Achaea Phthiotis and Homeric Phthia, which is best known as the home of Achilles.