A Landmark Indianapolis Hotel with Omni Elegance. The four-diamond Omni Severin Hotel is located in the heart of downtown Indianapolis and is connected to Nordstrom, Circle Centre Mall and the convention center. This luxury Indianapolis hotel is the city's most convenient and luxurious address for business and pleasure. From the moment you walk into the lobby, our staff will make you feel right at home. Retreat to the comforts of your private guest room accommodations, enjoy a fine meal at the critically-acclaimed Severin Bar and Grille or explore one of the many attractions Indianapolis has to offer.