Römerstein
Römerstein is a municipality in Baden-Württemberg , Germany; three formerly independent villages ( Böhringen , Donnstetten , Zainingen ) and two hamlets ( Strohweiler and Aglishardt ) were merged in 1975 . 
<triplet> Römerstein <subj> Germany <obj> country <triplet> Baden-Württemberg <subj> Germany <obj> country <triplet> Germany <subj> Baden-Württemberg <obj> contains administrative territorial entity