Answer the following 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. Hillsborough River (Florida) -  The Hillsborough River is a river located in the state of Florida in the USA. It arises in the Green Swamp near the juncture of Hillsborough Pasco and Polk counties and flows 59 miles (95 km) through Pasco and Hillsborough Counties to an outlet in the city of Tampa on Tampa Bay. The name Hillsborough River first appeared on a British map in 1769.
Answer:
Natural Place