Iwasaki Koyata Memorial Hall
The spacious Iwasaki Koyata Memorial Hall with views of the garden can be used for conferences, symposiums and other large functions.
| Location | East Wing B1F | Size (sq.m) | 195 m² |
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Floor Image
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Floor Plan and Layout
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Capacity and Rates for Conference
The prices include consumption tax and 15% service charge.
JPY (tax and service charge inclusive)
Upper row: Regular price / Lower row: Special price
| For conferences 〈Capacity〉 classroom style: 120 theater style: 180 hollow square: 60 |
For banquets 〈Capacity〉 circle table style: 100 buffet style: 150 |
For exhibitions | |||||
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| 2 hours | half day (6 hours between 9:00-16:00) |
full day 9:00-21:00 |
1 additio- nal hour |
2 hours | 1 additio- nal hour |
Regular | Off-peak Jan., Feb., Aug. |
| 271,975 217,580 |
474,375 379,500 |
948,750 759,000 |
139,150 111,320 |
113,850 85,387 |
56,925 42,693 |
1,214,400 971,520 |
910,800 728,640 |
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The prices include consumption tax and a 15% service charge. Room rates for banquets apply for food orders above a certain limit. Please contact Banquet Reservations for details. *Special price (lower row) is for members and those whose use of facilities meets the criteria of the public interest purposes of the I-House. Please contact the I-House for further information. |
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(As of 1 September, 2025)
Reservations and Inquiries
Banquet Reservations
International House of Japan
TEL: 03-3470-4616 (10:00-18:00, Closed on Sundays & Holidays)
FAX: 03-3470-3210