In the town of Postira, in the 16th century, there was built the parish church of St. Ivana Baptist. Just a few centimeters below the level of its pavement were found walls of the early Christian church with a sepulchral room in the shape of a cross next to the the altar; and baptistery. It is located in the city center which is known for its old stone houses and cobblestone. Postira among other festivities, feast St. Ivana Baptist, the patron saint of the parish (24 June), Our Lady of Mount Carmel (July 16) and Assumption (August 15).