Lucius D. Clay Kaserne, commonly known as Clay Kaserne, formerly known as Wiesbaden Air Base and later as Wiesbaden Army Airfield, is an installation of the United States Army in Hesse, Germany. The kaserne is located within Wiesbaden-Erbenheim. Named for General Lucius D. Clay, it is the home of the Army's 2d Theater Signal Brigade, 66th Military Intelligence Brigade and is the headquarters of the U.S. Army Europe and Africa (USAREUR-AF).

Erbenheim is a borough of Wiesbaden, capital of the federal state of Hesse, Germany. It has about 10,000 inhabitants. Formerly an independent municipality, the settlement was incorporated into Wiesbaden on April 10, 1928. Militärflugplatz-Erbenheim is home to U.S. Army Europe and Africa.