The Palace of the Yusupovs on the Moika, known as the Moika Palace or Yusupov Palace, is a former residence of the Russian noble House of Yusupov in St. Petersburg, Russia, now a museum. Wikipedia
Emb. Reki Moiki, 94 Entrance for individual visitors and small groups from Dekabristov Street, 21, St. Petersburg 190000 Russia