Omni Atlanta Hotel at Centennial Park Luxurious comfort embraces pure style at the elegant, four-diamond Omni Hotel at Centennial Park. Located in the heart of downtown Atlanta within the bustling Centennial Park District, this luxury hotel treats you to views of the spectacular downtown skyline and picturesque Centennial Olympic Park. The Omni Atlanta Hotel at Centennial Park is connected to Philips Arena and the Georgia World Congress Center and is in close proximity to the Mercedes-Benz Stad