The Spektrum Tower (formerly TP S.A. Tower) is a highrise office tower in Warsaw, the capital of Poland. It is located at 14/16 Twarda Street in the Warszawa-Śródmieście central business district of the city and used to house the headquarters of its investor, the telecom operator Telekomunikacja Polska S.A. (TP S.A.), with some space being leased to other companies.