The Colosseum is located in Rome, Italy. This iconic amphitheater, also known as the Flavian Amphitheatre, is one of the most well-preserved monuments of Ancient Rome and is a UNESCO World Heritage Site. Constructed in AD 70-80 under the emperors Vespasian and Titus, the Colosseum could hold up to 50,000 spectators and was used for gladiatorial contests, public spectacles, and other events. Its impressive architecture and historical significance attract millions of visitors each year, making it one of Italy’s and the world’s most famous landmarks.