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.