Potomac, Maryland is located in Montgomery County, Maryland, right outside of Bethesda. MD and Washington, DC. Known for its sprawling estates, Potomac gives the feel of country living, while maintaining easy access to the city. With its great schools, abundance of green space and large lots, Potomac is the perfect place for the buyer who wants space but still wants to be close to everything. It also has a wealth of amenities in Potomac Village, the heart of the community.