It is a very old theater that was built in the late period of the Roman Republic, and it is the most important and largest theater in the city of Rome, with an area of about 111 meters, and a capacity for about twenty thousand people. Events inside, and visitors are allowed to watch it from the outside only. As for the design and external appearance, the theater consists of three floors, and each layer of the theater is supported by Corinthian columns, and its length is about 30 meters.