The Fox Valley is a more rural region within Illinois and Wisconsin that borders the more urban portions of the Chicago and Milwaukee metropolitan areas. This region centers on the Fox River of Illinois and Wisconsin. This article is about a tributary beginning in far southeastern Wisconsin of the Illinois River Around 1 million people live in this area. Native American tribes that lived near the Fox River included the Potawatomi, Sac, and Fox tribes. The Potawatomi (also spelled Pottawatomie and Pottawatomi, among many variations) are a Native American people of the upper Mississippi "Outagamie" redirects here For the Wisconsin county see Outagamie County Wisconsin.
Some of cities in the Fox Valley are part of the rust belt. The Rust Belt, sometimes called the Manufacturing Belt, is an area in parts of the Northeastern United States, Mid-Atlantic States, and portions of the Within this region are Batavia, Illinois, St. Charles, Illinois, and Geneva, Illinois, which may be referred to as 'the Tri-cities area'. Batavia is a city in DuPage and Kane Counties in the US state of Illinois. St Charles is an affluent city in Kane and DuPage counties of Illinois, United States, and is roughly 40 miles west of Chicago on Geneva is a suburb of Chicago located in extreme eastern Kane County Illinois.