Civitas Tungrorum
In the early days of the Roman Empire it was in the province of Gallia Belgica , but it later joined the neighbouring lower Rhine River border districts , within the province of Germania Inferior . 
<triplet> Gallia Belgica <subj> Roman Empire <obj> country <subj> province <obj> instance of <triplet> border <subj> Roman Empire <obj> time period <triplet> Germania Inferior <subj> province <obj> instance of