Colmar Manor is a town located in Prince George's County, Maryland, United States. As of the 2010 census, the town had a population of 1,404. As the town developed at the beginning of the 20th century, it assumed a name derived from its proximity to the District of Columbia—the first syllable of Columbia and that of Maryland were combined to form "Colmar". Colmar Manor was incorporated in 1927.

Bladensburg is a town in Prince George's County, Maryland, United States. The population was 9,657 at the 2020 census. Areas in Bladensburg are located within ZIP code 20710. Bladensburg is 8.6 miles (13.8 km) from Washington, D.C.