One of the smallest islands of the Cyclades, nevertheless Syros has the highest population since being the legal and administrative center of the entire archipelago. Ermoupoli and Ano Syros: two hills, one Orthodox and one Catholic community. There are many reasons to visiting Syros apart from experiencing its unique cosmopolitan atmosphere, and wandering around its remarkable neo-classical settlement. Many visitors, for instance, come here for the world-renowned art events held every year in Ermoupoli such as The International Cyclades Music Festival, the Classical Music Festival, the Ermoupolia and the Musical May.