[1] The region extends from the village of Antioch, in far northern Illinois, to the city of Ottawa in the south.
[1] It includes rural areas, suburban development, and 19th-century downtowns.
Some of cities in the Fox River Valley are part of the Rust Belt.
Within this region is Aurora, the second-largest city in the state, Elgin, and the nearby cities of Batavia, St. Charles, and Geneva, which have been known as the Tri-City area[2] since the early 20th century.
The following is a list of cities and villages from north to south, along the Fox River Valley: