Aarberg District
The Aarberg District was an administrative district of the canton of Bern , Switzerland . 
<triplet> Aarberg District <subj> canton of Bern <obj> located in the administrative territorial entity <subj> Switzerland <obj> country <triplet> canton of Bern <subj> Switzerland <obj> country <triplet> Switzerland <subj> canton of Bern <obj> contains administrative territorial entity