Built in the first half of the 16th century on the orders of Andrea Doria, Admiral of Emperor Charles V, and completed by his heir Giovanni Andrea about a century later, this is the only "royal palace" belonging to a city Republic.Palazzo del Principe Andrea Doria or Palazzo del Principe a Fassolo (the Doria-Pamphili family) was commissioned by Andrea Doria in 1521 and built between 1521 and 1529 outside the city walls, on an estate he had purchased from the Lomellini family. The interiors, recently restored by the Doria Pamphili family, the owners, feature a wealth of frescoes, tapestries and wooden furnishings.