Der Oderturm is a 24-storey, 89 m (292 ft) office building in Frankfurt (Oder), Germany, built between 1968 and 1976 when the city was part of East Germany. It is the tallest building in Brandenburg. The 107 m (351 ft) hall containing Tropical Islands and the 161 m (528 ft) steam generator at Schwarze Pumpe power station are taller structures, though they lack occupied floors.