event hall; exhibition hall; function room
A hall or venue used for events, exhibitions, or functions. Often found in department stores, hotels, or community centers.
A Hokkaido product fair is being held in the department store's event hall.
We rented the hotel's function room for the wedding after-party.
Focuses on exhibitions and displays, while 催事場 can include sales events and functions.
Compound of 催事 (event, function) and 場 (place, hall). The reading さいじじょう follows standard on'yomi readings for the kanji.