Palazzo Celsi Pollini
Siena, Italy
The Palazzo Celsi Pollini, once also called the Palazzo del Vescovo, is a Renaissance style urban palace in Siena, Italy. It is located on Pian dei Mantellini #39-41, at the corner with Via San Quirico. A 19th-century source refers to the house as Casa Campioni. The main facade faces the campanile of San Niccolò del Carmine.
Palace data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).