Austin, located on the West Side of Chicago, Illinois, is the largest (by population) of the city's 77 officially defined community areas, followed by Lake View. Its eastern boundary is the Belt Railway located just east of Cicero Avenue. Its northernmost border is the Milwaukee District/West Line. Its southernmost border is at Roosevelt Road from the Belt Railway west to Austin Boulevard. The northernmost portion, north of North Avenue, extends west to Harlem Avenue, abutting Elmwood Park. Other suburbs bordering Austin are Cicero and Oak Park. Also nearby is Berwyn.
Austin is also one of Chicago's largest community areas by land area. Several distinctive areas within Austin include Midway Park, a historic district of restored 19th-century single-family homes in the core of the original Austin subdivision; Galewood, the northernmost section of Austin along the northern border with Oak Park but south of the Galewood railyards; and The Island, Chicago a square mile in the extreme southwest corner of Austin, which is bordered by Cicero to the south and Oak Park to the west and which is isolated from other residential area in the city by the Eisenhower Expressway and Columbus Park to the north and an industrial area to the east.