Advocate Health Care - Corporate Office

The Village of Oak Brook is located about 15 miles west of the Chicago Loop and is served by a network of major federal, state, and county roads including the Tri-State Tollway system, the East-West Tollway and the Eisenhower Expressway.

Oak Brook's adjacent neighbors include the communities of Villa Park, Elmhurst, Lombard, Oakbrook Terrace, Westchester, Westmont, Clarendon Hills, Downers Grove, and Hinsdale.