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. Chemnitz (river) - The Chemnitz is a river in Saxony Germany right tributary of the Zwickauer Mulde. It gave name to the city of Chemnitz where it is formed by the smaller rivers Zwonitz and Wurschnitz. It joins the Zwickauer Mulde near Wechselburg south of Rochlitz and has a total length of 75 km.
A:
Natural Place