Main Page | See live article | Alphabetical index Langley is a place in Fairfax County, Virginia, United States. It is the site of the headquarters of the Central Intelligence Agency. Langley is located at 38° 56' 47" N, 77° 9' 33" W. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.