This palace located on Nevsky prospect was named after princess Beloselsky-Belozersky. She requested for a “humble” classical two-storey mansion to be built here in the late 18th century.
In 1847-1848 her son had the palace rebuilt. Two new wings were added. Architect Andrey Stackenschneider gave a baroque architecture to the building. It is thought that he was inspired by Strogonov Palace located on Nevsky prospect and designed by Bartolomeo Rastrelli.
Grand Duke Sergei Alexandrovich, younger brother of Alexander III, bought it in 1884. After he was murdered in 1905, his nephew inherited it. Turned into a hospital during World War I it was nationalized after the revolution. Until 1991 it hosted the headquarters of the Regional Soviet.
Today, it frequently hosts chamber music concerts. It also contains a wax statues museum with more than two hundred figures.