The Near West Side is one of the 77 community areas of Chicago in Illinois, United States. It is on the West Side, west of the Chicago River and adjacent to the Loop. The Great Chicago Fire of 1871 started on the Near West Side. Waves of immigration shaped the history of the Near West Side of Chicago, including the founding of Hull House, a prominent settlement house. The near west side comprises several neighborhoods. In the 19th century railroads became prominent features. In the mid-20th century, the area saw the development of freeways centered in the Jane Byrne Interchange.