Champaign (English: ) is a city in Champaign County, Illinois, United States. The United States Census Bureau estimates the city was home to 88,909 people as of July 1, 2019. As of the 2010 United States Census, Champaign is the tenth-most populous municipality in Illinois. It is included in the Champaign–Urbana metropolitan area. Champaign is notable for sharing the campus of the University of Illinois at Urbana–Champaign with its sister city of Urbana. Champaign is also home to Parkland College which serves about 18,000 students during the academic year. Due to the university and a number of well known technology startup companies, it is often referred to as the hub, or a significant landmark, of the Silicon Prairie. Champaign houses offices for the Fortune 500 companies Abbott, Archer Daniels Midland (ADM), Caterpillar, John Deere, Dow Chemical Company, IBM, and State Farm.

Montgomery County is a county in the U.S. state of Indiana. As of the 2010 United States Census, the population was 38,124. The county seat is Crawfordsville. The county is divided into eleven townships which provide local services.Montgomery County comprises the Crawfordsville, IN Micropolitan Statistical Area.

Lafayette ( LAH-fee-ET, LAF-ee-ET) is a city in and the county seat of Tippecanoe County, Indiana, United States, located 63 miles (101 km) northwest of Indianapolis and 125 miles (201 km) southeast of Chicago. West Lafayette, on the other side of the Wabash River, is home to Purdue University, which contributes significantly to both communities. Together, Lafayette and West Lafayette form the core of the Lafayette, Indiana Metropolitan Statistical Area. According to the 2010 United States Census, the population of Lafayette was 67,140, a 19% increase from 56,397 in 2000. Meanwhile, the 2010 Census pegged the year-round (excluding Purdue University students) population of West Lafayette at 29,596 and the Tippecanoe County population at 172,780.Lafayette was founded in 1825 on the southeast bank of the Wabash River near where the river becomes impassable for riverboats upstream, though a French fort and trading post had existed since 1717 on the opposite bank and three miles downstream. It was named for the French general Marquis de Lafayette, a revolutionary war hero.

Terre Haute ( TERR-ə HOHT) is a city in and the county seat of Vigo County, Indiana, United States, only 5 miles east of state's western border with Illinois. As of the 2010 census, the city had a total population of 60,785 and its metropolitan area had a population of 170,943. Located along the Wabash River, Terre Haute is one of the largest cities in the Wabash Valley and is known as the Queen City of the Wabash. The city is home to multiple higher education institutions, including Indiana State University, Rose-Hulman Institute of Technology, and Ivy Tech Community College of Indiana.