It was formed on 1 March 2008 from the former municipalities Ahlefeld and Bistensee.
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Ahlefeld-Bistensee is a municipality in the district of Rendsburg-Eckernförde, in Schleswig-Holstein, Germany.
The location of Ascheffel is south of the municipality of Hummelfeld, but north of Ahlefeld-Bistensee, and east of Brekendorf.