The Digital World Foundation recommends that you make reservations for both hotel and your trip as soon as possible.
Some useful informations for your hotel reservation.

 

Category A - 4 stars hotel
Hotel Milton, via Emanuele Filiberto 155, Rome
Hotel Mercure Roma Delta Colosseo, via Labicana 144, Rome

 

Category B - 3 stars hotel
Hotel Assisi, via dei Mille 29, Rome
Hotel Novecento, via Carlo Emanuele 1, Rome

 

Category C - 2 stars hotel
Hotel dei Mille, via dei Mille 7, Rome
Hotel Tuscolana, via Tuscolana 185, Rome

 

Recommended sites:
www.booking.com
www.venere.com