JDRF Capitol Chapter The JDRF Capitol Chapter serves the Washington, DC metro area offering invaluable community outreach, support and education as well as a variety of events throughout the year to raise funds for diabetes research. Our region covers the District of Columbia; Charles, Montgomery, Prince George’s and St. Mary’s Counties in Maryland; Arlington, Fairfax, Loudoun, and Prince William Counties in Virginia; and Berkeley and Jefferson Counties in West Virginia. Jdrfcapitol.org~Site InfoWhoisTrace RouteRBL Check