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Square Kojimachi
スクワール麹町
- Max capacity
- 270 people (Kinka (3F, Kin and Hana used together), Classroom)
- Largest room
- 291㎡
- Address
- Tokyo 102-0083 6-6 Kojimachi, Chiyoda-ku, Tokyo
- Nearest stations
- Yotsuya Station (JR Chuo-Sobu Line) Kojimachi Exit: about 30 sec walk / Yotsuya Station (Tokyo Metro Marunouchi Line) Yotsuya Exit: about 3 min walk / Yotsuya Station (Tokyo Metro Namboku Line) Exit 3: about 1 min walk / Kojimachi Station (Tokyo Metro Yurakucho Line): 6 min walk
- Opening hours
- Business hours 9:00-21:00 (the whole building is non-smoking)
- Official website
- square.or.jp Guide for organizers
Rooms and capacity
| Room | Area (㎡) | Ceiling (m) | Classroom | Standing | Banquet |
|---|---|---|---|---|---|
| Kinka (3F, Kin and Hana used together)The fee is 54,450 yen (tax included) for both banquets (2 hours) and meetings (1 hour). For meeting rooms on weekdays after 17:00, the room fee is 100% higher than the listed amount. The official quotation example includes theater style for 300 people (with projector, 2 hours). | 291 | 4.4 | 270 | 220 | 180 |
| Kin (3F)The fee is 27,830 yen (tax included) for both banquets (2 hours) and meetings (1 hour). It is separated from Hana by a partition. For meeting rooms on weekdays after 17:00, the room fee is 100% higher than the listed amount. | 139 | 4.4 | 96 | 80 | 60 |
| Hana (3F)The fee is 27,830 yen (tax included) for both banquets (2 hours) and meetings (1 hour). The official quotation examples include theater style for 140 people (with projector) and hollow square for 54 people (2 hours). For meeting rooms on weekdays after 17:00, the room fee is 100% higher than the listed amount. | 139 | 4.4 | 96 | 80 | 60 |
Source: square.or.jp (Capacities are the maximums the venue states; they change with layout and equipment.)
Official documents (floor plans, price lists, terms)
Operating rules (from the official website and documents)
Day-before setup
On the day, you can in principle enter 60 minutes before your reserved time. Depending on bookings, you may not be able to enter until just before the reserved time, and requests for longer setup or for extending the usage time may not be accepted depending on bookings, so reserve a slot with room to spare. (Source: Meeting and Banquet Guide dated August 1, Reiwa 4 [2022])
Source: ssl02.site-one.info (PDF)Load-in and load-out
Packages are accepted by mail or delivery from the day before. Refrigerated and frozen items cannot be held, so arrange for them to arrive on the day or bring them yourself. Packages can also be shipped from the venue after the event. (Source: Meeting and Banquet Guide dated August 1, Reiwa 4 [2022])
Source: ssl02.site-one.info (PDF)Parking
There is no parking lot; if you come by car, use a nearby coin parking lot. (Source: http://www.square.or.jp/access/)
Source: square.or.jpCatering and outside food/drink
Optional menus such as boxed lunches, sandwiches and drinks are available, and meeting orders start from a total of 40,000 yen (boxed lunches from 1,210 yen, coffee or tea 500 yen, 500 ml plastic bottle 310 yen, etc.; October 1, 2019 edition, tax included). For banquets, free-flow drinks (2 hours, from 30 people), dishes served at round tables and standing-style receptions are also available. (Source: http://www.square.or.jp/banquet/)
Source: square.or.jpOperating rules are limited to what each venue’s official website and official PDFs state. Items that are not listed are ones we could not find on the official website. Always confirm with the venue before you book. (Checked: Nov 7, 2026)
Nearby shops for when something goes wrong on the day
Print shops (large volume, large format)
For posters, panels and large print runs.
- 5 min walk Accea Yotsuya Weekdays 8:00-21:00 / Sat 10:00-19:00 / Sun & holidays closed
- 8 min walk Accea Yotsuya-sanchome Weekdays 9:00-20:00 / Sat, Sun & holidays closed
Convenience stores (multi-copy machines)
Small print runs, drinks, tape, batteries and similar.
- 3 min walk 7-Eleven Chiyoda Nibancho Open 24 hours
- 3 min walk 7-Eleven Kojimachi 5-chome Open 24 hours
- 4 min walk FamilyMart Yotsuya Ekimae Open 24 hours
100-yen shops
Masking tape, scissors, badge holders, extension cords, plastic bags and similar.
- 16 min walk Can Do Atre Shinanomachi Daily 10:00-21:00
- 16 min walk Can Do Akasaka Hitotsugi-dori Mon-Fri 9:00-21:00 / Sat-Sun 9:00-20:00
Don Quijote
For late-night or day-of-event shopping.
- 17 min walk Picasso Akasaka (Don Quijote) 7:00-3:00
If you run out of drinks (same-day delivery)
This venue is in Kakuyasu's same-day delivery area. Kakuyasu (Nandemo Sake-ya Kakuyasu) “delivery from store” covers all 23 wards of Tokyo and all of Nishi Ward in Yokohama for same-day delivery (free shipping). Delivery slots are hourly from 10:00 to 22:00 (order cutoff 30 minutes before; some stores also offer the 9:00 slot). Besides alcohol, they also carry soft drinks such as tea.
Source: Kakuyasu: store delivery areas (Japanese) / Kakuyasu: delivery dates and times (Japanese)
Walking minutes are the straight-line distance to the venue divided by 80 m per minute, as a rough guide (the actual walking route is longer). Shop names and opening hours were checked on each company's official store page (as of Nov 7, 2026).