Plac Unii[a] is a skyscraper in Warsaw, Poland, located at 2 Puławska Street, next to the Union of Lublin Square.

It was opened in 2013 and is 22 storeys tall, with a total height of 90 m. Plac Unii was constructed in place of the Supersam store, which was deconstructed in 2006.

[2] The building was developed by Liebrecht & wooD and BBI Development NFI, and designed by a team from the APA Kuryłowicz & Associates architecture firm, led by Stefan Kuryłowicz.

The elevation on the higher levels is covered in white tiles, made out of a mixture of ground marble and glass.

The majority of the building is dedicated to office spaces, with a floor area of 46,000 m2.