Osor Town Hall and Archeological Museum Gradska Vijecnica I Arheoloski Muzej

In the 15th Century Town Hall (Gradska Vijecnica) on the main square in Osor, is the Archeological Museum (Arheoloski Muzej) of Osor. The museum's collection represents the Illyrian period, Roman era, and the Middle Ages, and contains mainly stone reliefs, gravestones, and models representing ancient Osor.

The Town Hall is a unique building in Osor and is worth visiting regardless of the museum. On the ground floor of this two storey building is the old loggia, marked by an archway entrance. The Archeological Museum is located on the first floor.