The U.S. Army Garrison Heidelberg was made up of a number of United States military installations in and around Heidelberg, Germany in the state of Baden-Württemberg, along with Germersheim Depot in the neighboring German state of Rhineland-Palatinate. In addition, some NATO facilities were present on the installations. In June 2010, USAG Heidelberg was inactivated and consolidated into its parent unit, U.S. Army Garrison Baden-Wuerttemberg. This was a preparatory move for a complete relocation away from Heidelberg: From 2012 to 2015 the relocation of all U.S. military units (many to Wiesbaden, Germany) will mark an end point in the history of the U.S. Army Garrison Heidelberg. The U.S. Army, Europe (USAREUR) headquarters, located in Heidelberg since 1952 as part of the garrison, was moved to Wiesbaden to a newly built installation at Lucius D. Clay Kaserne in 2012. All military installations in Heidelberg will be handed over to the German state by 2015 for conversion to civilian use.
Installations of U.S. Army Garrison Heidelberg included Campbell Barracks (the former Wehrmacht Großdeutschland-Kaserne) where headquarters for several units were located until 2013, including U.S. Army, Europe (USAREUR). Campbell Barracks and Mark Twain Village are both located in Heidelberg-Südstadt; Patton Barracks in nearby Heidelberg-Kirchheim was home to the U.S. Army Garrison Baden-Württemberg. Nachrichten Kaserne in Heidelberg-Rohrbach is home to the former Heidelberg Army Hospital, now designated the Heidelberg Health Center. Patrick Henry Village, the largest U.S. military housing area in the Heidelberg area, is located west of Heidelberg-Kirchheim. Tompkins Barracks and Kilbourne Kaserne are located in Schwetzingen. The former U.S. Army Air Field (Heidelberg AAF) has been converted to a heliport.