Hala Stulecia Sopotu (English: The Centennial Hall of Sopot) is a basketball arena in Sopot, Poland.
The facility was named after Jean Georg Haffner. The main hall of the hall can accommodate a total of 1,942 people, on 1,324 permanent and 618 retractable seats.[1] In addition to the main hall in the hall, there is a conference room, a training room and a fitness center.
In the past, basketball players from Prokom Trefl Sopot played their matches in the Hala Stulecia Sopotu.[2] Prokom was also forced to use this arena for several of its 2007-08 Euroleague regular season home fixtures after its normal home for Euroleague play, Hala Olivia in Gdańsk, was closed due to structural problems.