• The town walls.
• The town Museum, The Archaeological Collection of Osor.
• The Museum of Church Art.
• The Cathedral, built between 1463 – 1498, direction N – S.
• Cathedral bell tower – east of the church.
• Small church of St. Gaudentius – Gothic single nave building from the 14th century.
• The antique mosaic floor in the church of St. Mary and the hexagonal baptismal font from the 5th-6th centuries.
• Osor’s garden sculptures: Sculpture and Music.
• The Croatian kuna (Croatian currency), as legal tender is first mentioned in the small town of Osor in 1018.
• The hill of Osorscica, a mountain trail. The peak of St. Mikula with its small chapel with a stunning panorama. The peak Televrin 588 m, cave St. Gaudencija and Vela Jama.
• Remains of the church under Osoršćica. Probably built by the Benedictines, in the 12th century.
• The Franciscan Monastery from the 16th century.
• The parish church of Our Lady of Health from the second half of the 19th century.
• The castle of the Osor patrician Colane Drasa from the 15th century.
• The original parish church of St. Mary Magdalene, built in 1534.
• The port of Nerezine.
• Studenac square, Nerezine.
• Polanža (212 m), A well-laid out complex of forts from the Bronze Period situated at the top of the panoramic hill in the vicinity of the settlement Ćunski.
• Halmac – Veli i Mali Tržić two separate close settlements. Their origin is unknown but Mali Trsić is probably older; St. Gaudentius was probably born here, a Benedictine monk who later around the year 1030, became the Bishop of Osor.
• The old olive mill called Torač.
• Parish church of St. Nicholas from the 16th century.