Where is Ducal Palace located?

The Doge's Palace (Italian: Palazzo Ducale) is a palace built in Venetian Gothic style, and one of the main landmarks of the city of Venice in northern Italy. The palace was the residence of the Doge of Venice, the supreme authority of the former Republic of Venice. It was first built in the 9th century but was extensively rebuilt in the 14th and 15th centuries. It overlooks the Piazza San Marco and is now a museum.