Washington County, Maryland Washington County, Maryland Washington County is located in the western part of the U.S. state of Maryland. As of the 2010 census, the population was 147,430. Its county seat is Hagerstown. Washington County was the first county in the United States to be named for the Revolutionary War general (and later President) George Washington. Washington County is one of three Maryland counties recognized by the Appalachian Regional Commission as being part of Appalachia. The county borders southern Pennsylvania to the north, Northern Virginia to the south, and the Eastern Panhandle of West Virginia to the south and west. Washington County
Xfinity Center (College Park, Maryland) in the state of Maryland, it is the second-largest arena in the Washington, D.C. metropolitan area by seating capacity, just behind Capital One Arena in Washington, D.C., which has an official seating capacity of roughly 500 more than Xfinity Center. The facility is also used for concerts, graduation ceremonies including those for the University of Maryland, state high school basketball tournaments, and other special events. Concert seating capacity is nearly 19,000. In addition to the main basketball court, Xfinity Center also features a 1,500-seat gymnasium for volleyball, gymnastics, and wrestling; a 7,000-square-foot academic support center for student-athletes; Heritage Hall, a