Simone's apartment was great...right by Termini, spacious, and very clean. Simone himself was a great host, very friendly...and we wish we could've spent more time with him. Walking, it's about 20-30 minutes from the colosseum and roman forum. As others have mentioned, the market outside and bakery next door is super nice. We also appreciated the washing machine and lovely prosecco Simone gave us. If you're looking for a nice place near Termini...this is the place for you.