Pirin
The Pirin Mountains ( ) are a mountain range in southwestern Bulgaria , with Vihren at an altitude of 2 , 914 m being the highest peak . 
<triplet> Pirin <subj> mountain range <obj> instance of <subj> Bulgaria <obj> country <subj> Vihren <obj> highest point <triplet> Vihren <subj> Pirin <obj> mountain range <subj> Bulgaria <obj> country