Ource
Its source is in the Haute-Marne department , 2 km south of Poinson-lès-Grancey . 
<triplet> Haute-Marne <subj> department <obj> instance of <subj> Poinson-lès-Grancey <obj> contains administrative territorial entity <triplet> Poinson-lès-Grancey <subj> Haute-Marne <obj> located in the administrative territorial entity