They say that Ios has 365 churches and chapels, as many as the days of the year. In Hora, visitors will get the chance to see 26 of them. Most are from the Byzantine era and you will need special permission to visit. You should also explore the amazing monasteries of Saint John in Kalamos and Saint John in Pyrgos.
The Church of Agios Theodosios is in the village of Agia Theodoti. Within the church you will see parts of ancient buildings, as Christians used to build churches on top of ancient temples’. In the same location there is also a tower from the Hellenistic Period, as well as the remnants of an ancient aqueduct.
Of equal importance is the church of Agia Eirini, dated back to the 17th century and is located in Ormos. The church of Agia Eirini in Hora should also be mentioned, as it’s located in the port’s entrance and it’s considered the island’s symbol.