Gwynn Oak is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in the northwestern part of Baltimore County

Baltimore County, Maryland

Baltimore County is a county located in the northern part of the US state of Maryland. In 2010, its population was 805,029. It is part of the Baltimore-Washington Metropolitan Area. Its county seat is Towson. The name of the county was derived from the barony of the Proprietor of the Maryland...

, Maryland

Maryland

Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is near the Baltimore city line. Gwynn Oak is mostly in the areas of Liberty Road and Windsor Mill Road paralleling until city limits. It is similar to Woodlawn, Milford Mill, Windsor Mill, and Garwyn Oaks (in the city). The western edge of the community lie just outside of Woodlawn, MD

Woodlawn, Baltimore County, Maryland

Woodlawn is an unincorporated community and a census-designated place in Baltimore County, Maryland, United States. The population was 36,079 at the 2000 census. It is home to both the headquarters of the Social Security Administration as well as the Centers for Medicare and Medicaid Services...

 town center, north-east of Windsor Mill Road

Windsor Mill Road

Windsor Mill Road is a road that runs through parts of Baltimore, Maryland and its western suburb Woodlawn. The road starts as a one way street named Edgewood Street, then makes a slight left corner and becomes Windsor Mill Road...

 where Woodlawn Drive (formerly MD-126) becomes Gwynn Oak Avenue.