The Millennium Tower is the second tallest building and fourth tallest structure in Austria at 171 metres (561 feet).
The tower is located at Handelskai 94-96 in the Brigittenau 20th district in Vienna, Austria. An antenna mounted on top of the tower brings the architectural height to 202 metres (663 feet) but does not count to its overall height. Millennium Tower was designed by the architects Gustav Peichl, Boris Podrecca and Rudolf Weber. The shape of the tower is formed by two clasped each other fully glazed cylinder which is supported by a steel composite structure. The tower has 51 floors, serves both commercial and residential purposes, and is the focal point of a complex known as "Millennium City". It was completed in 1999 for the coming of the third millennium. The office tower has a gross floor area of 47.200 square metre (508.000 sq ft), of which 38.500 square metre (414.000 sq ft) is used as office space. The remaining area is to 2 levels are generally available and is used for a shopping center (Millennium City), restaurants and a multiplex cinema (UCI Kinowelt, the largest cinema complex in Austria).