Bohemian Forest
Geographically , the mountains extend from Plzeň Region and South Bohemia in the Czech Republic to Austria and Bavaria in Germany , and form the highest truncated uplands of the Bohemian Massif , up to 50 km wide . 
<triplet> Plzeň Region <subj> Czech Republic <obj> country <triplet> South Bohemia <subj> Czech Republic <obj> country <triplet> Czech Republic <subj> Plzeň Region <obj> contains administrative territorial entity <subj> South Bohemia <obj> contains administrative territorial entity <triplet> Bavaria <subj> Germany <obj> country <triplet> Germany <subj> Czech Republic <obj> shares border with <subj> Austria <obj> shares border with <subj> Bavaria <obj> contains administrative territorial entity <triplet> Bohemian Massif <subj> Czech Republic <obj> country