Bridgeport is one of the 77 community areas in Chicago, on the city's South Side, bounded on the north by the South Branch of the Chicago River, on the west by Bubbly Creek, on the south by Pershing Road, and on the east by the Union Pacific railroad tracks. Neighboring communities are Pilsen across the river to the north, McKinley Park to the west, Canaryville to the south, and Armour Square to the east. Bridgeport has been the home of five Chicago mayors.