Colleferro, A Metropolitan Zone Colleferro aka 'Iron Hill' is a small town in the Lazio region which has become a thriving metropolitan zone. Filled with historic locations, shops, beautiful architecture, and much more, it is a lovely spot to choose if you're travelling. Hiring a car in Colleferro is an excellent way of keeping on top of all the different landmarks you need to see, and a quicker means of travelling to neighbouring areas. Collect your rental from our branch in Rome, and then enjoy the rolling scenery as you travel to the Iron Hill, stopping off along the way, sampling the sights, sounds, and smells.