Q:Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Rujan - Rujan (Serbian Cyrillic: ) is a mountain in southern Serbia near the town of Bujanovac. Its highest peak Kalje has an elevation of 968 meters above sea level. On the mountain there is Kale-Krsevica archeological site dating from the 13th century BC.
A:
Natural Place