Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Vu ji zub (trans. "Wolf''s tooth") is at 1805 m one of the higher peaks in the Orjen masif.The boundary between the Ottoman Empire, Austro-Hungarian Empire and the principality of Montenegro ran across Vu ji zub until 1879. Vu ji zub is still today the border stone between Montenegro and Herzegovina.Vu ji zub resembles a horn and is an interesting climbing destination in the Orjen range.