The Pula Arena is an ancient amphitheater located in the city of Pula, Croatia. It was built between 27 BC and 68 AD and is one of the best-preserved Roman amphitheaters in the world. The arena is oval-shaped and has a capacity of 20,000 spectators. It was used for various events, including gladiatorial games, animal hunts, and public spectacles.

The Pula Arena is known for its remarkable architectural features, such as its arches, towers, and porticos. It has a diameter of 132 meters and stands at a height of 36 meters, making it one of the largest ancient amphitheaters in the world. The walls are constructed of limestone blocks and the arena floor was made of sand.

Today, the Pula Arena is a popular tourist destination and is used as a venue for concerts, festivals, and other cultural events. Visitors can explore the interior of the arena and climb to the top for a panoramic view of the city. The Pula Arena is considered an important part of the cultural heritage of Croatia and is recognized as a UNESCO World Heritage Site.