Crossword clues for Business district of Chicago. 4 lettersAnswerClueLOOPChicago business districtLOOPBusiness district of Chicago.LOOPChicago's business districtLOOPChicago's central business districtLOOPBusiness and theatrical district of Chicago.THELOOPChicago business districtTHELOOPChicago's business districtTHELOOPChicago's central business district, familiarlyTHELOOPBusiness district in downtown Chicago