Stay in the heart of Siena – Excellent location – show map Featuring free WiFi throughout the property, Casa di Osio - Porta Romana offers accommodations in Siena, 1,650 feet from Piazza del Campo. Every room feature a TV and shared bathroom. There is a shared kitchen at the property. National Picture Gallery Siena is 1,950 feet from Casa di Osio - Porta Romana, while Palazzo Chigi Saracini is 1,950 feet away. The nearest airport is Florence Airport, 34 mi from Casa di Osio - Porta Romana.