The diocese includes approximately 80 churches divided into seven deaneries across the 21 northernmost counties and independent cities within the Commonwealth of Virginia.
This deanery contains parishes in Arlington, McLean and Falls Church.
This deanery contains parishes in Alexandria, Annandale and other communities.
This deanery contains parishes in the Shenandoah Valley.
This deanery contains parishes in Chantilly, Fairfax, Vienna and Clifton This deanery contains parishes in Fredericksburg, Hague and other communities.