Reimagined Meeting and Event Venues Near Downtown Chicago, IL Take care of business in style or host a memorable social gathering at Oak Brook Hills Resort & Conference Center. We are an IACC Certified conference facility, ready to meet and exceed your business or social event needs. Let the contemporary design and exemplary service come together to create the perfect setting, as we craft an extraordinary experience for you and your guests. With more than 60,000 square feet of flexible space that encompasses a grand ballroom, over 20 breakout rooms, a tiered amphitheater, and an expansive outdoor tent, this is the ideal spot for your next event in Chicago, whether it's a business meeting, conference, convention, corporate party or a special event. Whether you need an indoor event or an outdoor event, we have the space required, customized for your . needs.