The Cottage (Upper Marlboro, Maryland)

Clagett Farm, once known as Navajo, is a 285-acre (1.15 km2) working farm located in Upper Marlboro, Maryland. It is owned and operated by the Chesapeake Bay Foundation.

Dr. Henry A. Wise Jr. High School is a public high school in the Westphalia census-designated place in unincorporated Prince George's County, Maryland, United States, with an Upper Marlboro postal address. A part of the Prince George's County Public Schools (PGCPS), it opened in the fall of 2006.

Queensland is a census-designated place south of Upper Marlboro in Prince George's County, Maryland, United States. The population of the CDP was 2,191 at the 2020 census. It was formerly known as Queenland until 2014 when its name was changed to Queensland and a small portion of its geography was transferred to Upper Marlboro.

Melwood Park is a historic home located near Upper Marlboro in Prince George's County, Maryland, United States. It is a 2+1⁄2-story, Flemish bond brick structure, with Georgian details. As of 2009, it is undergoing an extensive restoration. This unique dwelling was visited by George Washington on several occasions and the British Army camped here during their march to Washington, D.C. in August 1814, during the War of 1812.Melwood Park was listed on the National Register of Historic Places in 1976.

Marlboro Village is an unincorporated community and census-designated place (CDP) in Prince George's County, Maryland, United States. Per the 2020 census, the population was 9,221. It was newly delineated for the 2010 census prior to which the area was part of the Greater Upper Marlboro census-designated place.

Westphalia is a census-designated place in southern Prince George's County, Maryland, United States. The population of the CDP was 11,770 at the 2020 census.

Brown Station is an census designated place in Prince George's County, Maryland, United States. Per the 2020 Census, the population was 3,298.

The John H. Traband House is a historic home located at Upper Marlboro in Prince George's County, Maryland, United States. It was built between 1895 and 1897, and is a 2+1⁄2-story, asymmetrically shaped Queen Anne influenced frame structure of modest size and detailing. Also located on the property are a frame two-story gable-roofed carriage house. The house was constructed as the residence of a prominent citizen, John H. Traband (1857–1938), who was a successful businessman and landholder in Upper Marlboro.The John H. Traband House was listed on the National Register of Historic Places in 1984. It is located in the Upper Marlboro Residential Historic District.

Prince George's County Public Schools (PGCPS) is a public school district that serves Prince George's County, Maryland. During the 2023-2024 academic year, the district enrolls around 133,000 students and operates over 200 schools. PGCPS is the second-largest school district in Maryland, the third-largest district in the Washington-Baltimore metropolitan area, the 18th-largest in the United States, and the nation's largest school district with a majority-black student population. Headquartered in Upper Marlboro, PGCPS is the county's sole school district. The Prince George's County Board of Education (BoE) comprises 14 members who oversee the Superintendent.The current Superintendent is Millard House II.

Brock Hall is an unincorporated area and census-designated place in eastern Prince George's County, Maryland, United States, located south of Largo and Bowie, and north of Upper Marlboro. As of the 2020 census, the CDP had a population of 13,181.

Kingston, or Sasscer's House, is a 1+1⁄2-story historic home located at Upper Marlboro, Prince George's County, Maryland, United States. It is believed to be the oldest building remaining in the town of Upper Marlboro and may have been built, at least in part, before 1730. Many alterations and additions were made to it in the Victorian era, including "gingerbread" details typical of this era. The Craufurd family cemetery is located in the woods northwest of the house.Kingston was listed on the National Register of Historic Places in 1978. It is located in the Upper Marlboro Residential Historic District.

Frederick Douglass High School (FDHS), is an American public high school established in 1935 and located in the Croom census-designated place of unincorporated Prince George's County, Maryland, United States, with a mailing address of Upper Marlboro and near Upper Marlboro. It started as a segregated school for African American students, and c. 1964 it became integrated. Douglass is a part of the Prince George's County Public Schools system, and is named after the famous abolitionist, journalist, and orator, Frederick Douglass. It was preceded by Marlboro Colored High School (1923–1935).