The altar itself is rich in marble, the stone statue of the Saint dates from the 15th century. Behind the altar you will see a sarcophagus in which relics of St. Euphemia are kept. On the walls by the sarcophagus there are paintings dating from 1883, painted by Leonardo Riga. The paintings depict the arrival of the sarcophagus to the coast of Rovinj and the martyrdom of St. Euphemia. On the ceiling there is an image of the coronation of the Saint up in the sky. On the right (southern) side, there are altars of the Lady of the Holy Rosary, St. Francis of Assissi, St. Peter and St Michael the Archangel. On the opposite, northern side, there are: the altar of St. Nicholas, the baptistery, and the altars of St. Sebastian, the Lady of Carmel and St. Rocco.
