Lower West Side located on the west side of Chicago, Illinois, is one of 77 well-defined Chicago community areas

Community areas of Chicago

Community areas in Chicago refers to the work of the Social Science Research Committee at University of Chicago which has unofficially divided the City of Chicago into 77 community areas. These areas are well-defined and static...

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The United States Postal Service

 operates the Pilsen Post Office at 1859 South Ashland Avenue.
Heart of Chicago is a neighborhood located in the southwest corner of the Lower West Side community area and has an Italian restaurant strip on Oakley.
Pilsen is a neighborhood made up of the residential sections of the Lower West Side community area of Chicago.