The so-called Baryatinsky mansion is located on Tchaikovsky street in St. Petersburg. For a long time, the mansion belonged to the ancient family of the princes Baryatinsky, the roots of which date back to Rurikovich. At various times, representatives of the noble family were military leaders, served as ambassadors in the countries of Europe and Asia. Prince Baryatinsky Ivan Ivanovich, who lived there, served as a privy Councilor, and his son Alexander Ivanovich Baryatinsky, the famous Russian General, Viceroy of the Caucasus, directed the suppression of the national liberation movement of the highlanders in the North Caucasus. In 1859 he captured Shamil. Subsequently he was a member of the State Council.

The first owner of the house was f I. Aprelev, Lieutenant-General of artillery. Feodor Aprelev – inventor of the device used for sealing sinks in gun barrels, gun breaks down. Aprelev helped start a successful career Arakcheev, recommending him to his place as chief of artillery in Gatchina Paul I.

Then the mansion was inherited by his son Fedor, but his owner he was short – he was killed on their wedding day on the doorstep. Then, in 1837, the house was purchased by Princess M. F. Baryatinsky, nee Keller.

The first draft of Baryatinsky mansion was designed in 1837 by E. I. Gimmerton. Subsequently, in 1858, the building was enlarged by the architect G. A. Bosse. But at the time to fully implement his plan failed, was erected just East of the mansion. The Western was built in 1874, by J. A. Merz there was arranged a concert hall. In 1858 Maria Feodorovna died, and in 1861 on the site of her bedroom was a chapel in honor of Mary Magdalene. After that, the mansion several times changed its owners, but for a long time here, no one was detained.

In 1896. the mansion was purchased by the Imperial court as a wedding gift Olga Alexandrovna Romanova with Duke Peter Alexandrovich of Oldenburg. This Union was a kind of transaction made at the urgent request of the Empress Maria Feodorovna, who was trying to get rid of unloved daughters. In the 90s of the 19th century, the mansion was reconstructed by the architect S. S. Krichinsky the front of the building was adorned with a Large coat of arms of the Grand Duchess in the form of two coats of arms of the United Russia and Oldenburg. Under the Imperial crown two Varyag – holders of the shield. Home interiors Duchess Olga Alexandrovna was designed by the architect M. H. Dubinsky and artist N. N. Cicatricial. The mansion was turned into a real Palace.

Neither Olga nor Peter were not happily married. The Prince was poor, suffered from alcoholism, loved gambling, the wife is interested in a little. Olga was not quite beautiful, but very talented. She received an excellent education, good at drawing, had a light character. Tired of the "frills" of her husband, Olga took destiny into their own hands. She met N. Kulykovka, an officer who served with her brother in the same regiment. In 1916, 10 years after obtaining permission for divorce from the Emperor Nicholas II, she was able to marry kulykovka and take his last name, which helped her escape from death.

After the revolution of 1917, much of the interior was lost. First in the building were arranged in a communal apartment, one of them in 1922 was occupied by S. Marshak. In addition to apartments housed here and the school.

In 1988 this building was moved to the chamber of Commerce of St. Petersburg, which in 1989 work began on the restoration of the interior decoration of the rooms. Has been re-designed moldings, restored ceiling murals, restored doors, fireplace. In the East wing now houses the tax Inspectorate for the Central district of St. Petersburg, and in the left – centre on housing compensation.