Arlington County, Virginia area. The county is situated in Northern Virginia on the southwestern bank of the Potomac River directly across from Washington, D.C., of which it was once a part. With a land area of , Arlington is the geographically smallest self-governing county in the U.S., and by reason of state law regarding population density, has no incorporated towns within its borders. Due to the county's proximity to downtown Washington, D.C., Arlington is home to many important installations for the capital region and U.S. government, including the Pentagon, Reagan National Airport, and Arlington National Cemetery. Many schools and universities have campuses in
Unitarian Universalist Church of Arlington Unitarian Universalist Church of Arlington Unitarian Universalist Church of Arlington (UUCA), historically known as the Unitarian Church of Arlington, is a Unitarian Universalist church located at 4444 Arlington Boulevard (U.S. 50) in Arlington County, Virginia. Founded in 1948, UUCA was the first Unitarian church in Washington, D.C.'s suburbs. Throughout its history, UUCA has taken part in progressive causes from the Civil Rights Movement to the legalization of same-sex marriage in Virginia. During the Civil Rights Movement, UUCA was the only Virginia church to speak out in favor of racial integration. UUCA's sanctuary building, designed by local architect Charles M. Goodman