Meetings & EventsWhere Big Ideas Meet Bold Spaces

Hilton San Francisco Union Square offers a premier destination for meetings and events, featuring flexible venues, advanced technology, and expert planning support. Located in the heart of downtown, our spaces are designed to accommodate everything from executive sessions to large-scale conferences with efficiency and style.

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Find and book meeting space for up to 35 people.

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Grand Ballroom

The Largest Hotel in California

With 134,000 sq. ft. of meeting space, including a 30,000 sq. ft. Grand Ballroom and our new Continental Ballroom, our hotel is ideal for meetings for up to 2,000 people. Our Executive Conference Center boasts four separate boardrooms and our Cityscape Lounge has 360 degree views of the San Francisco skyline. We have a total of 73 function rooms, and all rooms have wireless high speed internet capability.

Presidio Meeting Room Setup with a Large Table and a TV

Executive Conference Center

Host impactful gatherings in our four private boardrooms, designed for groups of 10-16. Perfect for everything from strategic meetings to networking receptions.

  • 74 Meeting Rooms
  • 1,921 Guest Rooms
  • Total Event Space 205,843 square feet
  • Largest Room Setup 29,637 square feet

Event Services

Your Vision, Executed

Create a Custom Menu with seasonal ingredients

Choose a Theme from our collections or customize your own

Dedicated Support from your on-site Events Team

Access Onsite AV through our on-site partner, Encore

Design Your Layout to match your vision

Meet with Purpose with sustainability and community engagement

Bold Event Spaces

Grand Ballroom

Grand Ballroom

meeting space with rows of chairs for conference

Continental

Hotel Event Space

Yosemite

Hotel Ballroom

Imperial

Golden Gate Ballroom Space

Golden Gate

Presidio Meeting Room Setup with a Large Table and a TV

Executive Conference Center

Plaza Meeting Room Setup Theater Style

Plaza

Franciscan Meeting Room Setup Theater Style

Franciscan

Meeting w/ Round Tables

Union Square

Large Table in Nob Hill  Meeting Room

Nob Hill

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VIP Suites & Rooms

Suite Living Area with Large Windows and Balcony

Luxury Suite

Presidential Parlor Seating with View of Outside

Presidential Suite

Lounge area in the one bedroom suite.

Skyline Corner

A king bed and sofa bed with a skyline view in the junior suite.

Skyline Junior Suite

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People Attending a Conference at the Grand Ballroom

Event Services Team

A dedicated, tenured event manager partners with you from concept to completion, providing 24/7 support. We anticipate challenges and orchestrate every detail, guaranteeing a flawlessly executed event that allows you to be a guest at your own occasion.

Drinks Selections on a Table

Culinary

Taste the season with every bite. Our culinary team designs curated menus that highlight seasonal ingredients, tailored to your event’s narrative. From artfully plated dinners to interactive stations, we create memorable culinary experiences that delight and impress.

A Conference Room Setup for an Event

AV & Production

Experience technology that works as hard as you do. Our exclusive on-site partnership with Encore delivers seamless, professional production. From immersive sound and lighting to dynamic presentations, their expert team ensures your message is seen, heard, and remembered without a hitch.

Grand Ballroom Setup for an Event

Event Branding

Go beyond a logo; create an immersive environment. We help you weave your brand into the very fabric of your event, from custom signage and thematic decor down to branded key cards and digital displays, ensuring a cohesive and powerful experience from the moment guests arrive.

Cityscape Sky Bar with seating

Cityscape Sky Bar Events

Elevate your reception—literally. Host an unforgettable gathering at Cityscape, San Francisco’s highest sky bar. Amidst sophisticated ambiance, you and your guests will enjoy handcrafted cocktails and gourmet bites with breathtaking, 360-degree panoramic views of the city skyline.

A Group of People Planting a Tree

Meet with Purpose

Make your meeting matter. Our “Meet with Purpose” program empowers you to host impactful events through carbon-conscious practices, waste reduction, and partnerships with neighboring non-profits. It’s a turnkey approach to sustainable events that benefits both the planet and our community.

A Person Getting a FedEx Package

Package Express

Ship with certainty. Our Package Express service provides a streamlined, secure solution for all your event materials. We manage the receiving, tracking, and storage of your shipments with meticulous care, ensuring everything is waiting for you, so you can focus on the event itself.

A Large Building in a City

Moscone Convention Center

Maximize your time and convenience. Our convenient Union Square location places you just a short, pleasant walk from the Moscone Convention Center. Eliminate long commutes and simplify your logistics, giving you more time to prepare, connect, and explore the city.

Capacity Chart

Venue NamesClassroom (2/3)TheaterConferenceBanquetU-ShapeReceptionHollow Square
Golden Gate Rooms---700-929-
Golden Gate 130/45703050289032
Golden Gate 242/6311036703212042
Golden Gate 352/7811036703212042
Golden Gate 4 - 842/6311036703212042
Plaza Room232/348--480-700-
Plaza A134/201380-2304237048
Sunset Room--12----
Seacliff Room--16----
Marina Room--10----
Presidio Room--12----
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