This is the former residence of the Premier of the Soviet Union, Nikita Khrushchev.
It is reported that it is currently being lived in by Billionaire Gennady Timchenko. Who was given the Keys and a 10 year lease on the property on the contingency that he turns it into a hotel.
It is a very prestigious and stately looking mansion hidden behind large concrete walls and steel gates. It is located in the heart of Moscow in an area called "sparrow Hills" (formally called Lenin Hills). This area has some of the most expensive real estate in Europe.