Maria Pia's place is really lovely. It's spacious, well-equipped and beautifully decorated. It's located on a quiet street really close to the Vatican, on the main bus route to the centre with lots of local amenities (supermarket, cafes) close by. I really appreciated the powerful air conditioning when Rome was sweltering! Maria Pia was very helpful and welcoming and lives just next door. I would definitely stay there again when in Rome.