Syros, also known as Siros or Syra, is a Greek island in the Cyclades, in the Aegean Sea. It is 78 nautical miles south-east of Athens. The area of the island is 83.6 km² and at the 2021 census it had 21,124 inhabitants.
AdConvenient cancelation policy and 24/7 customer service to help you if your plans change. Find and pick from our wide selection of top-rated tours and activities for your trip.