Exhibition hall / arena Kanda / Akihabara / Iidabashi / Suidobashi

Akihabara UDX (UDX AKIHABARA SPACE)

秋葉原UDX（UDXアキハバラスペース）

Notice

The facility names will change from Thursday, November 19, 2026: Akiba Square (アキバ・スクエア) becomes UDX Square Hall (UDXスクエアホール), UDX Theater (UDXシアター) becomes UDX Theater Hall (UDXシアターホール), UDX Gallery (UDXギャラリー) becomes UDX Gallery Hall (UDXギャラリーホール), and UDX Gallery NEXT (UDXギャラリーネクスト) on the 4F becomes UDX Conference (UDXカンファレンス). UDX Conference on the 6F is unchanged. The collective name of the facilities will be "UDX Hall & Conference" (UDXホール＆カンファレンス).

Max capacity: 700 people (2F Akiba Square Indoor Space, Standing)
Largest room: 1,010㎡
Address: Tokyo 101-0021 Akihabara UDX, 4-14-1 Sotokanda, Chiyoda-ku
Nearest stations: Akihabara Station (JR) Electric Town Exit: 2 min walk / Akihabara Station (Tsukuba Express) Exit A1: 3 min walk / Akihabara Station (Hibiya Line): 4 min walk / Suehirocho Station (Ginza Line) Exit 1: 3 min walk
Opening hours: All facilities can be used 24 hours (rental may not be available during maintenance or on building closure days). Building hours are 7:00-22:00 on weekdays and 7:00-18:00 on Sat, Sun & holidays; anyone leaving after those hours must use the after-hours route (re-entry after leaving is not possible).
Official website: udx.jp Guide for organizers

Rooms and capacity

Room	Area (㎡)	Ceiling (m)	Theater	Classroom	Hollow square	Standing
6F UDX Conference A+B+CClassroom is 2 per desk. Hollow square: 80 seats; island layout: 168 seats (28 islands of 6). A 122㎡ + B 127㎡ + C 104㎡. Minimum use 3 hours.	353	2.85	216	216	68	240
6F UDX Conference A+BClassroom is 2 per desk. Hollow square: 64 seats; island layout: 96 seats (16 islands of 6). A 122㎡ + B 127㎡. Minimum use 3 hours.	249	2.85	132	132	52	160
6F UDX Conference D, E and F (each)Classroom is 2 per desk. Hollow square: 36 seats; island layout: 36 seats (6 islands of 6). Minimum use 3 hours.	120	2.85	60	60	28	50
6F UDX Conference Waiting RoomUp to 6 people. Chairs, table and clothes rack. 9:00-18:00 12,650 yen / 3 hours 4,950 yen / 5 hours 7,700 yen (tax included). Cannot be used on its own.	7.7	—	—	—	—	—
4F UDX Gallery Event Hall LClassroom is 3 per desk. Hollow square: 102 seats; island layout: 324 seats (36 islands of 9). Chairs can be rented for up to 400 seats. Hall 560㎡ + foyer 165㎡ (price list). The L-shaped space can be divided into 2 rooms by movable walls, in 2 ways: N+S and E+W. Minimum use 5 hours.	725	3.9	288	288	90	420
4F UDX Gallery Event Hall EClassroom is 3 per desk. Hollow square: 102 seats; island layout: 216 seats (24 islands of 9). Minimum use 5 hours. When the neighboring room is used by another party, the sound from each room may be audible in the other.	410	3.9	288	288	90	300
4F UDX Gallery Event Hall WClassroom is 3 per desk. Hollow square: 54 seats; island layout: 81 seats (9 islands of 9). Minimum use 5 hours. When the neighboring room is used by another party, the sound from each room may be audible in the other.	150	3.9	108	108	42	100
4F UDX Gallery Event Hall NClassroom is 3 per desk. Hollow square: 72 seats; island layout: 135 seats (15 islands of 9). Minimum use 5 hours. When the neighboring room is used by another party, the sound from each room may be audible in the other.	270	3.9	192	192	60	200
4F UDX Gallery Event Hall SClassroom is 3 per desk. Hollow square: 90 seats; island layout: 189 seats (21 islands of 9). Minimum use 5 hours. When the neighboring room is used by another party, the sound from each room may be audible in the other.	290	3.9	240	240	78	210
4F UDX Gallery Waiting Room 1 (for Halls L, S and W)Up to 12 people. Chairs, table and clothes rack. Cannot be used on its own. If another party is using it at the same time, consult the venue.	13	2.7	—	—	—	—
4F UDX Gallery Waiting Room 2 (for Halls L, N and E)Up to 9 people (price list, as of October 2026). The venue page states a ceiling height of 2.7 m and up to 12 people. Located by the window, so it is easily affected by the outside temperature. Cannot be used on its own. If another party is using it at the same time, consult the venue.	13	3.9	—	—	—	—
4F UDX Gallery CloakroomA place for coats and baggage. Cannot be used on its own (Halls L, N and E page).	—	—	—	—	—	—
4F UDX Gallery NEXT Conference NEXT1Classroom is 3 per desk. Hollow square: 72 seats; island layout: 135 seats (15 islands of 9). For ceiling height, the price list gives 3.6 m at the front and 4.0 m at the rear, while the venue page gives 4.0 m. Minimum use 3 hours.	215	3.6–4.0	180	180	63	160
4F UDX Gallery NEXT Conference NEXT2Classroom is 3 per desk. Hollow square: 54 seats; island layout: 81 seats (9 islands of 9). Minimum use 3 hours.	140	4	120	120	45	80
4F UDX Gallery NEXT Conference NEXT3Classroom is 2 per desk. Hollow square: 40 seats; island layout: 54 seats (9 islands of 6). Minimum use 3 hours.	140	4	80	80	34	80
4F UDX Theater172 fixed seats (movable table at every seat) plus 2 wheelchair spaces. Minimum use 5 hours.	190	7	172	—	—	—
4F UDX Theater LobbyWith a reception counter (for reception use).	60	4.2	—	—	—	—
4F UDX Theater Waiting RoomUp to 6 people.	7.5	—	—	—	—	—
2F Akiba Square Indoor SpaceHigh ceiling 7.8 m, low ceiling 3.0 m. Standing capacity is up to 800. The price list gives classroom 200-300, theater 400-600, standing buffet 700, and standing 700-800 (depending on the stage configuration and layout). The standard layout has no desks or chairs arranged (rest tables and stacking chairs are available for rent). Minimum use 8 hours.	1,010	3.0–7.8	600	300	—	700
2F Akiba Square Open SpaceStanding capacity 280. Rates are set for the full area and the half area. Minimum use 8 hours. The Akiba Square introduction describes it as an outdoor space of 280㎡ (total 1,290㎡), while the top page describes it as 260㎡ (total 1,270㎡).	280	8.2–14.1	—	—	—	280
2F Akiba Square Waiting RoomUp to 15 people (classroom style). 27,500 yen (tax included), charged only when the Open Space alone is used.	25	—	—	—	—	—
UDX Plaza - Akiba Plaza (outdoor)About 450㎡. Available hours 9:00-21:00 (amplified sound 11:00-17:00). 9:00-17:00 200,000 yen; 9:00-21:00 300,000 yen (excluding tax). Vehicles are in principle not allowed in.	450	—	—	—	—	—
UDX Plaza - Sabonius Plaza (outdoor)About 165㎡. Available hours 9:00-21:00 (amplified sound 11:00-17:00). 9:00-17:00 200,000 yen; 9:00-21:00 300,000 yen (excluding tax). Vehicles are allowed in (size and weight limits apply, and there are no-entry areas).	165	—	—	—	—	—

Source: udx-akibaspace.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

Preparation-day rates (9:00-20:00, tax included) are set for the Gallery: Hall L 524,700 yen, E 419,100 yen, W 157,300 yen, N 261,800 yen, S 319,000 yen. Akiba Square has setup/teardown rates: for the indoor space, on weekdays all day (9:00-22:00) 385,000 yen, morning (9:00-17:00) 277,200 yen, afternoon (13:00-22:00) 308,000 yen; on Sat, Sun & holidays all day 550,000 yen, morning 396,000 yen, afternoon 440,000 yen; for the open space, 220,000 yen all day for the full area and 110,000 yen all day for the half area (tax included). Usage time includes all setup and cleanup time, and shipping and receiving of packages is limited to within the usage time. Use outside usage hours requires a prior meeting with the person in charge. (Source: Price List as of October 2026, Terms of Use as of August 24, 2026, each venue page)

Source: udx-akibaspace.jp (PDF)

Load-in and load-out

To use the loading area, a load-in/load-out plan must be submitted in advance, and loading and unloading follow the instructions of the person in charge of each venue (security cards are lent as needed). Packages cannot be left sitting in the loading area, and the lifter and the N1, N2, S1 and S2 elevators are used to move goods to and from the venues (contact the secretariat to use N1, N2, S1 and S2; a security card is required). The maximum vehicle height that can enter the loading area is 3.4 m. Load-in/load-out items, including courier parcels, must be discussed with the organizer in advance, and instructions on time, route and protective covering must be followed. If construction work is involved, construction drawings, setup plans and electrical drawings must be submitted at least 30 days before. Building hours are 7:00-22:00 on weekdays and 7:00-18:00 on Sat, Sun & holidays. (Source: Loading/Unloading Guide October 2020, Underground Parking Map December 2024, Terms of Use as of August 24, 2026)

Source: udx-akibaspace.jp (PDF)

Delivery vehicle rules

Leaving vehicles parked in the loading area is prohibited; move them as soon as the work is finished. The loading area can be crowded depending on the day of the week and time of day. Load-in on the street is prohibited unless the designated application form is submitted (the Terms of Use also prohibit roadside parking). The vehicle height limit for the 1F loading area is 3.4 m, and the entrance to the underground parking lot is 2.4 m. Using hand trucks in the office elevators and parking elevators is prohibited, as is unloading from taxis. For events at UDX Plaza, only Sabonius Plaza allows vehicles in (size and weight limits apply); Akiba Plaza does not in principle, and there is no dedicated parking for load-in and load-out vehicles. (Source: Loading/Unloading Guide October 2020, Underground Parking Map December 2024, UDX Plaza Operation Manual November 2024, Terms of Use as of August 24, 2026)

Source: udx-akibaspace.jp (PDF)

Parking

UDX Parking (underground) has a capacity of 800 vehicles. For use of 3,000 yen (tax included) or more per shop, 1 hour of free parking is provided (a service coupon is issued at the shop; some exceptions apply). The height limit at the entrance to the underground parking lot is 2.4 m. The official sources differ on the entry hours for hourly parking: the access guide says 6:00-22:00 (vehicles that entered before 22:00 can exit), the parking guide PDF (June 2026) says exit only from 22:00 to 5:00 the next day, and the Akihabara UDX access page says it operates 24 hours. It is 1.8 km (about 5 min) from the Honcho exit of Metropolitan Expressway Route 1 Ueno Line, and 2.6 km (about 11 min) from the Nishi-Kanda exit of Route 5 Ikebukuro Line. (Source: Akihabara UDX Access, Access section of the UDX Akihabara Space top page, UDX Parking Guide PDF, Underground Parking Map December 2024)

Source: udx.jp

Waiting rooms and dressing rooms

The Conference has 1 waiting room (7.7㎡, up to 6 people, chairs, table and clothes rack; 9:00-18:00 12,650 yen, 3 hours 4,950 yen, 5 hours 7,700 yen, tax included). The Gallery has 2 waiting rooms (13㎡ each; Waiting Room 1 is for Halls L, S and W, and Waiting Room 2 is for Halls L, N and E) and a cloakroom. The Theater has a 4F waiting room (7.5㎡, up to 6 people) and a lobby with a reception counter (about 60㎡). Akiba Square has a waiting room (25㎡, up to 15 people); the 27,500 yen (tax included) charge applies only when the Open Space alone is used. The Conference and Gallery waiting rooms cannot be used on their own. (Source: Price List as of October 2026, each venue page)

Source: udx-akibaspace.jp (PDF)

Catering and outside food/drink

Eating and drinking is allowed inside each meeting room and hall, but bringing in food and drink is in principle prohibited (consult the organizer in advance in special circumstances), and when arranging food and drink the facility's designated vendors must be used. Eating and drinking in common areas is in principle prohibited. Box lunches, drinks, and catering for receptions and parties after the event are handled by venue staff, and partner vendors for box lunches, hors d'oeuvres and catering are listed on the official "Food & Services" page. Serving food and drink at UDX Plaza, such as with food trucks, is in principle not allowed; consult separately. (Source: FAQ, Food & Services, Terms of Use as of August 24, 2026, UDX Plaza Operation Manual November 2024)

Source: udx-akibaspace.jp

Restaurants in the venue or building

The dining zone "AKIBA_ICHI" in the same building has been temporarily closed since January 23, 2026 for a major renovation. The official announcement says it will reopen on Thursday, December 10, 2026 as a dining zone of about 30 shops, and some shops will open early from November 17 to 27 (floor guide). Shops that remain open include Fukushimaya and Kanekoya on the 1st floor (announced December 4, 2025). For receptions, the official recommendation is catering arranged by venue staff (for receptions and parties). (Source: UDX DINING & SHOP, Floor Guide, Notice of Temporary Closure of AKIBA_ICHI, Food & Services)

Source: udx.jp

Operating 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: Oct 30, 2026)

Nearby shops for when something goes wrong on the day

Print shops (large volume, large format)

For posters, panels and large print runs.

3 min walk Kinko's Akihabara Weekdays 9:00-19:00 / Sat, Sun & holidays 10:00-19:00 (reception until 30 min before closing)
3 min walk Accea Akihabara Weekdays, Sat, Sun & holidays 8:00-22:00

Convenience stores (multi-copy machines)

Small print runs, drinks, tape, batteries and similar.

2 min walk 7-Eleven Akihabara Fukoku Seimei Building Open 24 hours
3 min walk FamilyMart Sotokanda 3-chome Higashi Open 24 hours

100-yen shops

Masking tape, scissors, badge holders, extension cords, plastic bags and similar.

3 min walk Can Do Akihabara Daily 10:00-21:00
4 min walk DAISO Yodobashi AKIBA 9:30-22:00

Don Quijote

For late-night or day-of-event shopping.

2 min walk Don Quijote Akihabara Open 24 hours
11 min walk Don Quijote Ueno 9:00-4:00

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 Oct 30, 2026).

Nearby hotels

Places to stay for staff who arrive the day before or travel from far away. These are the hotels around Akihabara UDX (UDX AKIHABARA SPACE) featured on BizinTokyo, our guide for attendees.

APA Hotel Akihabara Suehirocho Ekimae About 2 min walk to Akihabara UDX
NOHGA HOTEL AKIHABARA TOKYO About 2 min walk to Akihabara UDX
JR-East Hotel Mets Akihabara About 3 min walk to Akihabara UDX
JR-East Hotel Mets Premier Akihabara About 3 min walk to Akihabara UDX
remm Akihabara About 4 min walk to Akihabara UDX
Akihabara Washington Hotel About 5 min walk to Akihabara UDX

* Hotel links are Expedia affiliate links. Conectando earns a referral fee when a booking is made.

More hotels near Akihabara UDX (UDX AKIHABARA SPACE) (BizinTokyo)

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CONTACT

Please feel free to contact us.

Rooms and capacity

Official documents (floor plans, price lists, terms)

Operating rules (from the official website and documents)

Day-before setup

Load-in and load-out

Delivery vehicle rules

Parking

Waiting rooms and dressing rooms

Catering and outside food/drink

Restaurants in the venue or building

Nearby shops for when something goes wrong on the day

Print shops (large volume, large format)

Convenience stores (multi-copy machines)

100-yen shops

Don Quijote

If you run out of drinks (same-day delivery)

Related reading

Nearby hotels