Tri-Cities, Illinois

Batavia Township is in Kane County, Illinois. It is divided by the Fox River. As of the 2010 census, its population was 35,221 and it contained 12,892 housing units. The western part of the United States Department of Energy's Fermilab is at the township's eastern edge (formerly in the village of Weston), although most of the facility is in neighboring Winfield Township in DuPage County.

The Judge Isaac Wilson House is a historic residence in Batavia, Illinois. It was the home of Isaac Wilson, a former Congressman who moved to the Batavia region and later named the settlement. It was added to the National Register of Historic Places in 1985.

C.W. Shumway & Sons was a foundry operational in Batavia, Illinois from 1872 to 2002. It produced metal castings for various industrial uses and for awards, including the Emmy Award, Academy Awards, and the Vince Lombardi Trophy. The company was closed in 2002 due to changing market demands. At the time of its closure, it was one of the oldest foundries in the United States.

The Eastside Community Center, formerly the Catholic Holy Cross Church, is an historic building in Batavia, Illinois. It was built in 1897 to serve the Holy Cross congregation of Batavia, many of whom were Irish immigrants who came to work in local quarries. The building operated as a church until the 1990s, when the property was transferred to the Batavia Park District. It was added to the National Register of Historic Places in 1999.

Batavia () is a city mainly in Kane County and partly in DuPage County in the U.S. state of Illinois. Located in the Chicago metropolitan area, it was founded in 1833 and is the oldest city in Kane County. Per the 2020 census, the population was 26,098.During the latter part of the 19th century, Batavia, home to six American-style windmill manufacturing companies, became known as "The Windmill City." Fermi National Accelerator Laboratory, a federal government-sponsored high-energy physics laboratory, where both the bottom quark and the top quark were first detected, is located just east of the city limits. Batavia is part of a vernacular region known as the Tri-City area, along with St. Charles and Geneva, all western suburbs of similar size and relative socioeconomic condition.

The Louise White School is a Registered Historic Place in Batavia, Illinois. It was in active use as a school for 85 years, and served as home of the Chautauqua movement in north central Illinois.

Marmion Academy (formerly Marmion Military Academy) is a grade 9–12 Roman Catholic high school for boys in Aurora, Illinois, United States. It is in the Roman Catholic Diocese of Rockford. The academy is owned and operated by the Benedictine monks of Marmion Abbey on campus. The leadership formation programs include: Leadership Education and Development (LEAD) program and a United States Army Junior Reserve Officers' Training Corps (JROTC) program that has been a part of the academy since its early years, but was not a part of the school in the inaugural year of 1933–34.The school is a part of the Chicago Catholic League.

The Batavia Institute is a Registered Historic Place in Batavia, Illinois, US.

The First Methodist Church of Batavia is a historic building in Batavia, Illinois. It functioned as a Methodist church until the 1880s. The building was then converted into the McWayne School Annex, which held classes until 1978. It was listed on the National Register of Historic Places in 1982.

The United Methodist Church of Batavia is a historical church in Batavia, Illinois. Funds for the church were donated by Rev. E. H. Gammon and Cpt. Don Carlos Newton in 1887 to replace the First Methodist Church of Batavia. It was designed by famed local architect Solon Spencer Beman in the Romanesque Revival style. It was added to the National Register of Historic Places in 1983.

The Batavia Depot Museum is a museum in Batavia, Illinois that was once the town's primary train station. It was the first of many depots built by the Chicago, Burlington and Quincy Railroad. It was listed on the National Register of Historic Places in 1979 as the Chicago, Burlington, and Quincy Railroad Depot.

Batavia Public School District 101 (BPS101) is a school district headquartered in Batavia, Illinois. The district is run by a superintendent and is overseen by a seven-member elected school board.Batavia previously had two school districts serving western and eastern portions; they combined into BPS101 in 1911.