Forden Gaer
Forden Gaer , Y Gaer , Caer Flos and Lavrobrinta are respective English , Welsh and possible Latin names for the Roman fort in the township of Thornbury , in the parish of Forden , in the old county of Montgomeryshire , which now forms part of Powys , Wales . 
<triplet> Forden <subj> Montgomeryshire <obj> historic county <triplet> Montgomeryshire <subj> Wales <obj> located in the administrative territorial entity <triplet> Powys <subj> Wales <obj> located in the administrative territorial entity <triplet> Wales <subj> Powys <obj> contains administrative territorial entity