Horst-Herzhorn

Horst-Herzhorn is an Amt (collective municipality) in the district of Steinburg, in Schleswig-Holstein, Germany. The seat of the Amt is in Horst. Before 1 January 2008, when it was merged with the Amt Herzhorn, it was named Amt Horst.

The Amt Horst-Herzhorn consists of the following municipalities:
 * 1) Altenmoor
 * 2) Blomesche Wildnis
 * 3) Borsfleth
 * 4) Engelbrechtsche Wildnis
 * 5) Herzhorn
 * 6) Hohenfelde
 * 7) Horst
 * 8) Kiebitzreihe
 * 9) Kollmar
 * 10) Krempdorf
 * 11) Neuendorf bei Elmshorn
 * 12) Sommerland