Question: 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. Uchan-su (river) -  Uchan-su (Ukrainian: Учан-Су Russian: Уча́н-Су Crimean Tatar: Uçan Suv) is a river that flows in the South Coast of Crimea. The name translates from the Crimean Tatar language for 'swift water' .The river runs into the Black Sea in the center city of Yalta.
Answer:
Natural Place