This is a beautiful rooftop apartment (3rd floor, up three flights of open, outdoor steps--good to know if you're toting heavy luggage or a bit afraid of heights like me), outside of Rome, about 15 minutes from Leonardo Di Vinci airport. The estate is secure and in a safe suburban neighborhood, and the grounds are beautiful and well cared for.
Transportation to Rome central took about 30 minutes or so by bus, with one transfer. The metro (rail/train) is also available very close by.
The only issue I had with my stay here was the very strong odor of mold (maybe coming from the shower unit, which appeared to be cracked) in the bathroom (of which I've informed the host), which was so strong for me that I had to cover my nose & face to breathe. I'm really surprised it wasn't mentioned in other reviews, at least not any I came across. To combat the odor, I lit a candle and kept all the windows wide open to air it out (which helped a lot) during my stay. Otherwise, it was great and if that were remedied I'd stay here again and recommend to others.