Complex sentence: It is named after a hill range in it, and borders the districts of Mariatrost and Geidorf to the west, and St. Leonhard and Waltendorf to the south.
Split into simpler sentences: It is named after a hill range in it. Ries borders the districts of Mariatrost and Geidorf to the west, and St. Leonhard and Waltendorf to the south.