Hillandale, Maryland - Wikipedia, the free encyclopediaHillandale is an unincorporated area located on the boundary between Montgomery and Prince George's Counties, Maryland. Geography. As an unincorporated area, Hillandale…
Hillandale Volunteer Fire DepartmentOperates out of two stations; Station 12 in Hillandale and Station 24 in Colesville. News and events, history, apparatus, incidents and membership information.