The Piquiri River (Portuguese Rio Piquiri) is a river of Parana state in southern Brazil. It is a tributary of the Parana River. Its name is officially spelled Piquiri with variants including Peguiri Pequir Pequiri Pequiry and Piquiry. 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