Very nice and clean room that is located directly at the main train station (Roma Termini). You can go everywhere you want to super quickly and easy.
The room has its own private bathroom, which is fantastic when you want to take a shower after a long day of walking around and exploring the city.
One thing to note is that if you can't get the host via Airbnb messages, calling him will be the way. He's very quick to answer calls and provide all the information you might need.