Rome Leonardo da Vinci Fiumicino Airport is the main airport in Rome. It is also the home-base of Alitalia, Italy´s largest airline.
Rome Leonardo da Vinci Fiumicino Airport was established in 1961, when the air traffic was already exceeding the capacity available. It is the largest airport in Rome and was built to relieve pressure on Rome´s Ciampino Airport.
It is an extremely busy international airport. The 42 million passengers that use the airport annually make it the 8th busiest airport in Europe in terms of traffic, and the 35th largest in the world in terms of passenger numbers.
Here you can see more about connections available etc. at the airport´s own website