noun
exhibition hall; exhibition room; exhibition area
A dedicated space for displaying items, such as in a museum, trade show, or gallery.
新しい展示場で絵画展が開かれている。
A painting exhibition is being held in the new exhibition hall.
展示場の入り口でチケットを買った。
I bought a ticket at the entrance of the exhibition area.
会場 is a general term for any venue or meeting place, whereas 展示場 specifically denotes an exhibition space.
Compound of 展示 (tenji, 'exhibition') + 場 (jō, 'place').