The city that is famous for the Colosseum is Rome, Italy. The Colosseum, also known as the Flavian Amphitheatre, is an iconic symbol of ancient Roman engineering and architecture. Completed in AD 80, it was the largest amphitheater of its time, accommodating around 50,000 spectators for various events, including gladiatorial contests, animal hunts, and public spectacles. Today, the Colosseum is a UNESCO World Heritage site and serves as a major tourist attraction, drawing millions of visitors annually who come to admire its historical significance and grandeur.