Ficquelmont Palace
Saint Petersburg, Russia
The Saltykov Mansion (Palais Soltikoff) is a Neoclassical palace situated between Palace Embankment and Millionnaya Street in Saint Petersburg, Russia. It was built to the design of Giacomo Quarenghi in the 1780s. A few months before her death, Catherine the Great presented the edifice to Prince Nikolai Saltykov, the tutor of her eldest grandsons.
Palace data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).