Kastro (Sifnos)

Kastro
Κάστρο
Settlement
Kastro
Coordinates: 36°58′28″N 24°44′43″E / 36.97444°N 24.74528°E / 36.97444; 24.74528
CountryGreece
Administrative regionSouth Aegean
Regional unitMilos
MunicipalitySifnos
CommunityApollonia
Elevation
80 m (260 ft)
Population
 (2021)
  Total
124
Time zoneUTC+2 (EET)
  Summer (DST)UTC+3 (EEST)

Kastro (Greek: Κάστρο) is a settlement in Sifnos, Cyclades, Greece. According to the 2021 Greek census it had 124 inhabitants. Kastro is built on top of a steep hill near the eastern coast of the island, at an altitude of 80 meters. Below the hill there is a small bay, which was used as the port of the settlement.