Calcasieu Parish, Louisiana in the context of Beaumont–Port Arthur metropolitan area

Lake Charles (French: Lac-Charles) is the fifth-most populous city in the U.S. state of Louisiana, and the parish seat of Calcasieu Parish, located on Lake Charles, Prien Lake, and the Calcasieu River. Founded in 1861 in Calcasieu Parish, it is a major industrial, cultural, and educational center in the southwest region of the state. As of the 2020 U.S. census, Lake Charles's population was 84,872.

The city and metropolitan area of Lake Charles is considered a regionally significant center of petrochemical refining, gambling, tourism, and education, being home to McNeese State University and Sowela Technical Community College. Because of the lakes and waterways throughout the city, metropolitan Lake Charles is often called the "Lake Area".

Southwest Louisiana (SWLA) is a five-parish area intersecting the Acadiana and Central Louisiana regions in the U.S. state of Louisiana. It is composed of the following parishes (counties): Allen, Beauregard, Calcasieu, Cameron, and Jefferson Davis. As of 2020, the combined population of the five parish area was 313,951.

Southwest Louisiana has one metropolitan area: Lake Charles. The southwestern portion of Louisiana is also geographically and culturally attached to Southeast Texas.

Prien Lake is a lake in Calcasieu Parish, Louisiana.

It is located west of Prien, Louisiana, and south of the Israel LaFleur Bridge. The city of Lake Charles is located to the northeast.

SOWELA Technical Community College is a public community college in Lake Charles, Louisiana, with an additional instruction site in Jennings and Oakdale. The school's mascot is the Flying Tigers, named for World War II General Clair Chennault's 1st American Volunteer Group and their P-40 aircraft adorned with a shark-faced motif. SOWELA's Lake Charles campus was developed on property formerly used as Chennault Air Force Base.

Its service area includes Allen, Beauregard, Calcasieu, Cameron, and Jefferson Davis parishes.

The Lake Charles metropolitan statistical area is a metropolitan area in the Acadiana region of southwest Louisiana that covers three parishes—Calcasieu, Cameron, and Jefferson Davis. According to a 2023 census estimate, the MSA had a population of 240,082. It is also part of the larger Lake Charles–DeRidder combined statistical area which had a population of 276,909 in 2023. The Lake Charles MSA also shares borders with the Beaumont–Port Arthur metropolitan area to the west. Metropolitan Lake Charles, the principal city, is commonly referred to as the Lake Area.