Church of Agia Irini of Ios
Agia Irini is an orthodox church in Ios. It is located on Gialos, on the northern side of the port of Ios and was built in the 17th century. The church had two bell towers. One above the entrance to the church and another one on the gate with seven and three bells respectively. The church of Agios Georgios, which is also located in Gialos, has also been declared a Historical Monument.