Ermoupoleia are the most important evnts in Syros during the summer season. Every summer from mid-July to late August, various events (concerts, theater, etc.) take place.

Organized by the Cultural Center of the Municipality of Ermoupolis Ermoupoleia include a series of cultural events as, music, theater, paintings and other events taking place in the Apollo Theater, the Miaouli Square, the Art Gallery and the Cultural Center.