The Amphitheater of Pompeii is one of the most well-preserved ancient Roman structures in the world, and is considered to be one of the most important examples of Roman engineering and architectural design. The amphitheater is oval-shaped and is built using local tuff stone. It measures approximately 131 meters long and 105 meters wide, and is estimated to have been capable of seating around 12,000 people. The seating area was divided into two main sections: the lower section, called the cavea, was for the general public, while the upper section, called the maeniana, was reserved for the elite.
The amphitheater was used for a variety of performances, such as gladiatorial contests, animal hunts, and mock sea battles. The gladiatorial contests were particularly popular among the Romans and were used as a form of entertainment and a means of demonstrating the power of the state. The gladiatorial games were held in the amphitheater regularly, and were attended by people of all classes.
The Amphitheater of Pompeii was buried by the eruption of Mount Vesuvius in AD 79, along with the rest of the city of Pompeii. The eruption covered the city in ash and pumice, preserving the ruins until they were rediscovered in the 18th century. The excavations of the amphitheater have revealed a wealth of information about the Roman way of life, including graffiti, frescoes, and inscriptions. The amphitheater is now a popular tourist attraction and is open to the public for tours.