Syros or Siros or Syra is a Greek island in the Cyclades, in the Aegean Sea. It is located 78 nautical miles (144 km) south-east of Athens. The area of the island is 83.6 km2 (32 sq mi) and it has 21,507 inhabitants (2011 census).[1] The largest towns are Ermoupoli, Ano Syros, and Vari (el). Ermoupoli is the capital of the island and of the Cyclades. It has always been a significant port town, and during the 19th century it was even more significant than Piraeus. Other villages are Galissas, Foinikas, Pagos, Manna, Kini and Poseidonia.