The sixteenth century Palazzo Besta was built around 1433;on pre-existing medieval structures;in order Azzo Azzo I and II Besta.It &#39;the most important monument in the province of Sondrio and one of the most significant examples of Lombard Renaissance mansion.It was owned by households Besta;Guicciardi;Quadrio;Parravicini.The building consists of a particular inner courtyard with loggia;with its elegant loggia and an octagonal well in marble.The walls are covered with frescoes.