Лазенковский дворец в Варшаве (императорская резиденция 1817–1915 годов)

The summer residence of the last Polish king, Stanisław August, bought from the Poniatowski heirs by Emperor Alexander I in 1817; the Kingdom of Poland was then part of the Russian Empire. For almost a hundred years the palace and park ensemble belonged to the imperial family; in 1846 an Orthodox court chapel designed by Andrzej Gołoński was added to the west wing of the Palace on the Isle and was dismantled after the Second World War. At the outbreak of the First World War most of the art collections were taken to Russia and were returned in 1921 under the Treaty of Riga. The Royal Łazienki Museum operates here today.