1.
banquet hall; party venue; function room
A room or hall specifically designed or designated for hosting banquets, parties, and other gatherings.
A compound of 宴会 (banquet, party) and 場 (place, venue). Found in hotels, traditional Japanese inns, and dedicated event facilities. Hotels and ryokan typically have dedicated 宴会場 for corporate events, wedding receptions, and year-end parties.