Seat Pleasant is an incorporated city in Prince George's County, Maryland, United States, located immediately east of Washington D.C.. Per the 2020 census, the population was 4,522. Two state highways pass through the community — Maryland routes 704 and 214. The Washington Metro's Blue and Silver Lines are nearby. The Washington Commanders' stadium is east of Seat Pleasant, near the Capital Beltway (I-95/495).

Prince George's County is located in the U.S. state of Maryland bordering the eastern portion of Washington, D.C. As of the 2020 U.S. census, the population was 967,201, making it the second-most populous county in Maryland, behind neighboring Montgomery County. The 2020 census counted an increase of nearly 104,000 in the previous ten years. Its county seat is Upper Marlboro. It is the largest and the second most affluent African American-majority county in the United States, with five of its communities identified in a 2015 top ten list.