The St. Regis Osaka is one of the premier venues in Osaka for conferences, executive board meetings, weddings and social events. From our magnificent Astor Ballroom to our six luxuriously appointed meeting venues, our business hotel offers 5,000 square feet of event space on our 11th floor. Take advantage of state-of-the-art technology in all venues, suitable for events of all types, as well as breathtaking views of the city, unparalleled service and distinctive cuisine. Host your conference at The St. Regis Osaka, the address for memorable events.


Event Rooms

454 SQ MT

Total Event Space


Capacity Largest Space


Breakout Rooms

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King Cole Suite Room

Meetings & Events

Choose from 5,000 square feet of sophisticated event space in downtown Osaka

Admire the ornate details, handcrafted ceilings and crystal chandeliers in our Astor Ballroom
Mix and mingle in Osaka in our foyer, an ideal event space for networking and coffee breaks
Swap the meeting room for our Rooftop Garden, showcasing scenic views of the Osaka skyline
Refresh your seminar attendees with our exceptional culinary services catered in your meeting room Learn More
Share presentations with your meeting attendees in Osaka, thanks to LCD monitors and AV equipment

Exceptional Venues

The six meeting and banquet venues at The St. Regis Osaka are located on the hotel’s 11th floor where natural light and some spectacular city views compliment beautifully appointed interiors.

Astor Ballroom

The Astor Ballroom is the city's most prestigious venue for meeting, banquet, conference, and social galas. Hand crafted ceilings and crystal chandeliers create a magical atmosphere that is both majestic and intimate in the same instance.

Astor Ballroom - Classroom

Astor Ballroom Details

High 3.5-meter ceilings illuminated with contemporary crystal chandeliers, accents of silver leaf in a deep corniced ceiling and wall paneling in light celadon green tones are among the elegant details that define the Astor Ballroom. This grand venue can be easily divided into two 105-square-meter rooms.

The Astor Ballroom
Empire Boardroom

The Empire Boardroom

On one side, drapes open to stunning views north along Midosuji Boulevard looking toward Osaka Central Station. On the other, a mantle and fireplace feature topped by a large mirror gives the room a warm and welcoming ambiance.

Founder Suite

Founder Suite

Overlooking Midosjui Avenue through floor-to-ceiling windows under 3.5-meter ceilings, the Founder Suite is a supremely tailored room decorated in neutral tones with rich wood accents. It includes a fireplace and mantle feature topped by a round mirror, crystal chandeliers.

Library Suite Room

Library Suite

Our Library Suite is a warm and welcoming meeting space that comfortably seats 30 attendees. It also lends itself to intimate cocktail receptions.

King Cole Suite

The King Cole Suite makes a dignified boardroom setting for 10 executives with a mantelpiece and mirror, large conference table, and comfortable leather chairs.

King Cole Suite Room

Viscount Suite

The room features a striking black chandelier and a carpet of rich brown with veins of beige, keeping with the warm wood and neutral tones of the room.

Vicount Suite Room
The St. Regis Wedding

Weddings & Occasions

Elevate your wedding in Osaka with extraordinary catering menus crafted by our culinary team

Trust our experienced event planners to help with every detail of your wedding venue
Plan an entire wedding weekend in Osaka and select from our seven elegant event venues
Choose from more than 5,000 square feet of event space for your wedding at our Osaka hotel
Honor your big day in Osaka with a regal reception or private party in our stunning Astor Ballroom
Delight wedding guests with original gifts and party favors only sold at St. Regis Osaka

Dream Weddings

Find the ideal address for dream weddings in Japan at The St. Regis Osaka. Our dedicated team ensures that every detail of your ceremony and reception are executed flawlessly, from the decorations to the flowers to the catering. Trust us to transform our magnificent banquet venues into the ideal setting for your wedding day. Our signature St. Regis style promises you a memorable occasion, enhanced by our seamless service, for every wedding and event in Osaka.

The Ballroom

The St. Regis Osaka awaits your arrival in the heart of beautiful Midosuji, where you will exchange vows at the city's most coveted address. For your spectacular wedding, our 11th floor Sky Lobby boasts magnificent vistas amid stunning decor.

Ultimate Celebration Designed for You

An unforgettable, bespoke, and beautiful day for the creative and sophisticated couple.

Welcome Sabrage

Distinct Details

St. Regis brides and grooms receive the highest level of care and attention from their initial meeting with our experienced staff to the last moment of their enchanted gathering.


St. Regis Specialist

Request an appointment with a St. Regis Specialist and explore exceptional rates for your friends and family at The St. Regis Osaka. From elegant flower arrangements to room décor to accommodations for your guests, the St. Regis Specialist will assure each need is flawlessly met.

Butler Service In Room Dining

The Cuisine

Creative and authentic in every way, our executive chef lives for the perfection of personalization as he works with couples to create their own distinctive wedding menu, guided by their individual tastes and aspirations.

Frequently Asked Questions