Ermoupolis is a Greek town. It is on the island Syros and it is the capital of Cyclades islands. Ermoupolis has 13.496 people. Ermoupolis has many beautiful old buildings which note the wealth, which there was in the past. Several buildings have a big architectural value, such as ermoupolis' town hall and Apollon theater. Around Ermoupolis there are many places where Catholic people live. The existence of Catholic people has dates back in the Franks and Venetian rule in Middle Ages.