Ostrozub

Ostrozub (Serbian Cyrillic: Острозуб) is a mountain in southern Serbia, near the town of Crna Trava. It forms a continuous range with Čemernik mountain. Its highest peak Ostrozupska čuka has an elevation of 1,546 meters above sea level.

The eponymous village (42.86667°N, 22.23333°W ) on the mountain is depopulated. According to the 2002 census, it had a population of 1.