Washington County, Maryland is included in the Hagerstown-Martinsburg, MD-WV Metropolitan Statistical Area, which is also included in the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area. The closes states to Washington County is west Virginia, Pennsylvania, Virginia, and Tennessee. The western portions of the Province of Maryland (including present Washington County) were incorporated into Prince George's County in 1696. This original county included six current counties. The first to be created was Frederick, separated from Prince George's County in 1748. Following independence, the sovereign State of Maryland formed Washington County on September 6, 1776, by the division of Frederick County. At the same time, a portion
Maryland City, Maryland the westernmost corner of Anne Arundel County. It is bordered by Laurel in Prince George's County to the west, by the CDP of Scaggsville in Howard County to the north, by the CDP of Jessup to the northeast, and by Fort Meade to the east. Uninhabited portions of Fort Meade are to the south. The Baltimore–Washington Parkway (Maryland Route 295) runs through the CDP, leading southwest to downtown Washington, D.C. and northeast to downtown Baltimore. Access from the parkway to Maryland City is via Maryland Route 198 (Fort Meade Road). Maryland Route 32 (the Patuxent Freeway) forms the northeast edge