Answer the following question: The Crisul Alb (Romanian) (Hungarian: Feher-Koros) is a river in western Romania in the historical region of Transylvania and south-eastern Hungary (Bekes county). Its source is in the southern Apuseni Mountains (Romanian: Muntii Apuseni). It flows through the towns Brad Ineu Chisineu Cris in Romania and Gyula in Hungary. Crossing the border of Hungary the river now called Feher-Koros joins the Fekete-Koros a few kilometres north from Gyula to form the Koros River. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Natural Place