The most populous city in Italy is Rome, which is also the capital city of the country. As of the latest estimates, Rome has a population of over 2.8 million residents, making it the largest city in Italy and one of the most populous cities in Europe. Rome is known for its rich history and significant cultural heritage, housing numerous landmarks such as the Colosseum, Vatican City, and the Pantheon. The city's historical significance and vibrant atmosphere attract millions of tourists each year, contributing to its dynamic urban environment and diverse population.