Plan an event at JW Marriott Dongdaemun Square Seoul with its spaces, location, source-backed operating rules, and official contacts in view. Operates a Grand Ballroom and its partitions, studios and conference room, with a room-specific capacity chart.
Published capacities for each named room and layout. Separate rooms are not added together. A dash means unverified; staging, equipment and circulation can reduce usable capacity.
| Room | Theater | Classroom | Banquet | Reception | Official source |
|---|---|---|---|---|---|
| Grand Ballroom | 590 | 250 | 450 | 590 | JW Marriott Dongdaemun Square Seoul Events |
| Grand Ballroom 1 | 180 | 110 | 150 | 220 | JW Marriott Dongdaemun Square Seoul Events |
| Grand Ballroom 2 | 180 | 110 | 150 | 220 | JW Marriott Dongdaemun Square Seoul Events |
| Grand Ballroom 3 | 180 | 110 | 150 | 220 | JW Marriott Dongdaemun Square Seoul Events |
| Studio 1 | 60 | 45 | 60 | 50 | JW Marriott Dongdaemun Square Seoul Events |
| Studio 2 | 40 | 27 | 40 | 25 | JW Marriott Dongdaemun Square Seoul Events |
| Studio 3 | 30 | 20 | 30 | 15 | JW Marriott Dongdaemun Square Seoul Events |
| Conference Room | 60 | 40 | 50 | 80 | JW Marriott Dongdaemun Square Seoul Events |
| Boardroom | — | — | — | — | JW Marriott Dongdaemun Square Seoul Events |
| Meeting Room 1 | — | — | — | — | JW Marriott Dongdaemun Square Seoul Events |
| Meeting Room 2 | — | — | — | — | JW Marriott Dongdaemun Square Seoul Events |
Our first read based only on published spaces and operating conditions. Confirm final feasibility with the rental team.
Corporate events and banquets using the ballroom and meeting rooms
Programs combining accommodation with meetings or seminars in Seoul
Events that need catering, parking, and outside-equipment terms confirmed before booking
Availability and pricing change with event hours, attendance, equipment, and food requirements.
Only publicly listed official numbers and inquiry routes are included. For unlisted teams, ask the main or rental desk to connect you.
Grand Ballroom · Grand Ballroom 1 · Grand Ballroom 2 · Grand Ballroom 3 · Studio 1 · Studio 2 · Studio 3 · Conference Room · Boardroom · Meeting Room 1 · Meeting Room 2
The hotel culinary team offers tailored event menus and dietary options. Listed food-service amounts are omitted because VAT and validity dates are unverified.
Grand Ballroom 4K LED wall and BOSE sound; meeting rooms list projectors, screens and internet. Complimentary use is unverified.
Not verified in the official event materials.
This guide does not replace booking or contract terms. Policies can change, so reconfirm them with the venue before placing final orders.
Beyond the Glass · Andaz Studio III · Andaz Studio I · Gangnam Penthouse · Sky Terrace Suite
Grand Ballroom · Park Ballroom · Studios · Vvertigo
Forest Ballroom · Maple 1 · Maple 2 · Maple 3 · Maple 4 · Maple 5 · Maple 6 · Maple 1+2 · Maple 4+5 · Idea Garden 1 · Idea Garden 2 · Idea Garden 3 · Idea Garden 4 · Idea Garden 5 · Idea Garden 1+2 · Idea Garden 3+4+5
zzzarit handles the booking and talks to the rental desk; you pay the venue directly. If you need planning, registration or on-site operations, we scope those with you.
