Thira (regional unit)

Thira Περιφερειακή ενότητα Θήρας
Regional unit
Municipalities of the Cyclades
The Cyclades within Greece
Coordinates: 36°25′N 25°27′E / 36.417°N 25.450°E / 36.417; 25.450
Country	Greece
Region	South Aegean
Area
• Total	314.8 km2 (121.5 sq mi)
Population  (2021)
• Total	19,013
• Density	60/km2 (160/sq mi)
Time zone	UTC+2
• Summer (DST)	UTC+3 (EEST)

Thira (Greek: Περιφερειακή ενότητα Θήρας) is one of the regional units of Greece. It is part of the region of South Aegean. The regional unit covers the islands of Thira (Santorini), Anafi, Folegandros, Ios, Sikinos and several smaller islands in the Aegean Sea.