 The Virgin Hotels Chicago ( formerly Old Dearborn Bank Building or 203 North Wabash Avenue ) is a historic building in the Loop community area of Chicago , Illinois , that has been converted from use as an office building to use as a hotel run via a mobile app based business model . The 250 @-@ room hotel is the first of Richard Branson 's Virgin Hotels brand boutique hotels geared toward the female business traveller . 
