Illinois is located in the central region of the United States, between the Mississippi river and Lake Michigan.
Other significant rivers in Illinois are the Wabash on the eastern border with Indiana, the Ohio on the south separating it from Kentucky, Kaskaskia and the Illinois connecting Lake Michigan with the Mississippi.
The state is generally flat, it's highest point is Charles Mound in the northwestern corner rising to just 376 meters above sea level.
Springfield is the capital, largest city is Chicago.
Other important cities in Illinois are Peoria, Aurora and Rockford.
Illinois borders the other US states
Wisconsin on the north,
Missouri and
Iowa on the west,
Kentucky on the Southand
Indiana on the east.
Physical map of Illinois
Physical map of Illinois, equirectangular projection
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Information about the geography of Illinois
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