Il Battistero Sienavs?

"Stylish boutique accommodation in an unbeatable location in central Siena with both historical and contemporary rooms." Full review

"Individually designed rooms and suites—some with terraces—overlook the baptistery or across rooftops to San Domenico. As sophisticated as the surroundings are, the hospitality is warm." Full review

"Only a brief stroll from the Campo, this character-filled small palazzo, once home to a pope, adds quiet sophistication to Siena’s medieval charm, blending old tile work and rough-hewn beams with contemporary furnishings and modern art" Full review

"Just off Siena’s Piazza del Campo, and literally straight across the road from the gorgeous Gothic building that is the Baptistery of San Giovanni, is a beautiful little boutique hotel that goes by the name of Il Battisterio Siena - Residenza d’Epoca" Full review