The Jan III Sobieski Hotel in Warsaw, Poland, will become the Radisson Blu Sobieski by the end of September.
The 435-room hotel will be revitalized, said Rezidor Hotel Group, operator of the Radisson Blu brand in Europe.
Upon completion of the renovation in 2015, the Radisson Blu Sobieski will have 467 guestrooms and one of the largest conference centers in Warsaw, Rezidor said.