It is the home arena of the Wonju DB Promy of the Korean Basketball League.

[1] The complex includes above-ground and basement parking space as well as the team's training facilities and clubhouse, which is connected to the arena via a special underground walkway.

The lack of funding from the pre-Dongbu Insurance era meant that the Chiak Gymnasium was never renovated to meet modern-day standards despite drawing some of the biggest game-day crowds among the KBL teams.

The Wonju municipal government agreed to invest ₩5 billion into the construction of a new purpose-built arena.

In addition to basketball, Wonju Gymnasium has been used for concerts and other large-scale events during the off-season.