The Theatre of Marcellus (Teatro di Marcello) is an ancient open-air theatre in Rome, located near the Jewish Ghetto and just east of the Tiber River. Construction began under Julius Caesar and was completed by Augustus around 13 BC, who dedicated it to his nephew and intended heir, Marcellus. Designed for dramatic performances and public spectacles, it could hold up to 20,000 spectators and became a model for later Roman theaters. Though partially ruined, its grand arches still stand, and in th